18656291277

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{241}}^1$

素因数の和:552

約数の個数: 128

約数和(自身を含む): 32056442880

約数和(自身を除く): 13400151603

約数列:

[1, 3, 9, 13, 23, 27, 39, 43, 69, 117, 129, 207, 223, 241, 299, 351, 387, 559, 621, 669, 723, 897, 989, 1161, 1677, 2007, 2169, 2691, 2899, 2967, 3133, 5031, 5129, 5543, 6021, 6507, 8073, 8697, 8901, 9399, 9589, 10363, 12857, 15093, 15387, 16629, 26091, 26703, 28197, 28767, 31089, 38571, 46161, 49887, 53743, 66677, 72059, 78273, 84591, 86301, 93267, 115713, 124657, 134719, 138483, 149661, 161229, 200031, 216177, 220547, 238349, 258903, 279801, 347139, 373971, 404157, 483687, 600093, 648531, 661641, 698659, 715047, 1121913, 1212471, 1236089, 1451061, 1800279, 1945593, 1984923, 2095977, 2145141, 2310949, 2867111, 3098537, 3365739, 3637413, 3708267, 5954769, 6287931, 6435423, 6932847, 8601333, 9295611, 11124801, 16069157, 18863793, 20798541, 25803999, 27886833, 30042337, 33374403, 48207471, 53151827, 62395623, 77411997, 83660499, 90127011, 144622413, 159455481, 270381033, 433867239, 478366443, 690973751, 811143099, 1435099329, 2072921253, 6218763759, 18656291277]

約数ペア:

[(1, 18656291277), (3, 6218763759), (9, 2072921253), (13, 1435099329), (23, 811143099), (27, 690973751), (39, 478366443), (43, 433867239), (69, 270381033), (117, 159455481), (129, 144622413), (207, 90127011), (223, 83660499), (241, 77411997), (299, 62395623), (351, 53151827), (387, 48207471), (559, 33374403), (621, 30042337), (669, 27886833), (723, 25803999), (897, 20798541), (989, 18863793), (1161, 16069157), (1677, 11124801), (2007, 9295611), (2169, 8601333), (2691, 6932847), (2899, 6435423), (2967, 6287931), (3133, 5954769), (5031, 3708267), (5129, 3637413), (5543, 3365739), (6021, 3098537), (6507, 2867111), (8073, 2310949), (8697, 2145141), (8901, 2095977), (9399, 1984923), (9589, 1945593), (10363, 1800279), (12857, 1451061), (15093, 1236089), (15387, 1212471), (16629, 1121913), (26091, 715047), (26703, 698659), (28197, 661641), (28767, 648531), (31089, 600093), (38571, 483687), (46161, 404157), (49887, 373971), (53743, 347139), (66677, 279801), (72059, 258903), (78273, 238349), (84591, 220547), (86301, 216177), (93267, 200031), (115713, 161229), (124657, 149661), (134719, 138483)]