268229871

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:166

約数の個数: 108

約数和(自身を含む): 504443160

約数和(自身を除く): 236213289

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 59, 61, 63, 91, 117, 147, 169, 177, 183, 273, 413, 427, 441, 507, 531, 549, 637, 767, 793, 819, 1183, 1239, 1281, 1521, 1911, 2301, 2379, 2891, 2989, 3549, 3599, 3717, 3843, 5369, 5551, 5733, 6903, 7137, 8281, 8673, 8967, 9971, 10309, 10647, 10797, 16107, 16653, 24843, 25193, 26019, 26901, 29913, 30927, 32391, 37583, 38857, 46787, 48321, 49959, 69797, 72163, 74529, 75579, 89739, 92781, 112749, 116571, 140361, 176351, 209391, 216489, 226737, 327509, 338247, 349713, 421083, 488579, 505141, 529053, 608231, 628173, 649467, 982527, 1465737, 1515423, 1587159, 1824693, 2292563, 2947581, 4257617, 4397211, 4546269, 5474079, 6877689, 12772851, 20633067, 29803319, 38318553, 89409957, 268229871]

約数ペア:

[(1, 268229871), (3, 89409957), (7, 38318553), (9, 29803319), (13, 20633067), (21, 12772851), (39, 6877689), (49, 5474079), (59, 4546269), (61, 4397211), (63, 4257617), (91, 2947581), (117, 2292563), (147, 1824693), (169, 1587159), (177, 1515423), (183, 1465737), (273, 982527), (413, 649467), (427, 628173), (441, 608231), (507, 529053), (531, 505141), (549, 488579), (637, 421083), (767, 349713), (793, 338247), (819, 327509), (1183, 226737), (1239, 216489), (1281, 209391), (1521, 176351), (1911, 140361), (2301, 116571), (2379, 112749), (2891, 92781), (2989, 89739), (3549, 75579), (3599, 74529), (3717, 72163), (3843, 69797), (5369, 49959), (5551, 48321), (5733, 46787), (6903, 38857), (7137, 37583), (8281, 32391), (8673, 30927), (8967, 29913), (9971, 26901), (10309, 26019), (10647, 25193), (10797, 24843), (16107, 16653)]