638263557

素因数分解:

$3^6\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:573

約数の個数: 56

約数和(自身を含む): 1006189568

約数和(自身を除く): 367926011

約数列:

[1, 3, 9, 27, 31, 61, 81, 93, 183, 243, 279, 463, 549, 729, 837, 1389, 1647, 1891, 2511, 4167, 4941, 5673, 7533, 12501, 14353, 14823, 17019, 22599, 28243, 37503, 43059, 44469, 51057, 84729, 112509, 129177, 153171, 254187, 337527, 387531, 459513, 762561, 875533, 1162593, 1378539, 2287683, 2626599, 3487779, 6863049, 7879797, 10463337, 20589147, 23639391, 70918173, 212754519, 638263557]

約数ペア:

[(1, 638263557), (3, 212754519), (9, 70918173), (27, 23639391), (31, 20589147), (61, 10463337), (81, 7879797), (93, 6863049), (183, 3487779), (243, 2626599), (279, 2287683), (463, 1378539), (549, 1162593), (729, 875533), (837, 762561), (1389, 459513), (1647, 387531), (1891, 337527), (2511, 254187), (4167, 153171), (4941, 129177), (5673, 112509), (7533, 84729), (12501, 51057), (14353, 44469), (14823, 43059), (17019, 37503), (22599, 28243)]