919269

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:128

約数の個数: 28

約数和(自身を含む): 1499596

約数和(自身を除く): 580327

約数列:

[1, 3, 9, 13, 27, 39, 81, 97, 117, 243, 291, 351, 729, 873, 1053, 1261, 2619, 3159, 3783, 7857, 9477, 11349, 23571, 34047, 70713, 102141, 306423, 919269]

約数ペア:

[(1, 919269), (3, 306423), (9, 102141), (13, 70713), (27, 34047), (39, 23571), (81, 11349), (97, 9477), (117, 7857), (243, 3783), (291, 3159), (351, 2619), (729, 1261), (873, 1053)]