2157788139

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 3316432896

約数和(自身を除く): 1158644757

約数列:

[1, 3, 13, 31, 39, 41, 93, 101, 123, 303, 403, 431, 533, 1209, 1271, 1293, 1313, 1599, 3131, 3813, 3939, 4141, 5603, 9393, 12423, 13361, 16523, 16809, 17671, 40083, 40703, 43531, 49569, 53013, 53833, 122109, 128371, 130593, 161499, 173693, 229723, 385113, 521079, 547801, 565903, 689169, 1349461, 1643403, 1668823, 1697709, 1784771, 4048383, 5006469, 5354313, 7121413, 17542993, 21364239, 23202023, 52628979, 55327901, 69606069, 165983703, 719262713, 2157788139]

約数ペア:

[(1, 2157788139), (3, 719262713), (13, 165983703), (31, 69606069), (39, 55327901), (41, 52628979), (93, 23202023), (101, 21364239), (123, 17542993), (303, 7121413), (403, 5354313), (431, 5006469), (533, 4048383), (1209, 1784771), (1271, 1697709), (1293, 1668823), (1313, 1643403), (1599, 1349461), (3131, 689169), (3813, 565903), (3939, 547801), (4141, 521079), (5603, 385113), (9393, 229723), (12423, 173693), (13361, 161499), (16523, 130593), (16809, 128371), (17671, 122109), (40083, 53833), (40703, 53013), (43531, 49569)]