397165725

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6977}}^1$

素因数の和:7027

約数の個数: 72

約数和(自身を含む): 809894592

約数和(自身を除く): 412728867

約数列:

[1, 3, 5, 9, 11, 15, 23, 25, 33, 45, 55, 69, 75, 99, 115, 165, 207, 225, 253, 275, 345, 495, 575, 759, 825, 1035, 1265, 1725, 2277, 2475, 3795, 5175, 6325, 6977, 11385, 18975, 20931, 34885, 56925, 62793, 76747, 104655, 160471, 174425, 230241, 313965, 383735, 481413, 523275, 690723, 802355, 1151205, 1444239, 1569825, 1765181, 1918675, 2407065, 3453615, 4011775, 5295543, 5756025, 7221195, 8825905, 12035325, 15886629, 17268075, 26477715, 36105975, 44129525, 79433145, 132388575, 397165725]

約数ペア:

[(1, 397165725), (3, 132388575), (5, 79433145), (9, 44129525), (11, 36105975), (15, 26477715), (23, 17268075), (25, 15886629), (33, 12035325), (45, 8825905), (55, 7221195), (69, 5756025), (75, 5295543), (99, 4011775), (115, 3453615), (165, 2407065), (207, 1918675), (225, 1765181), (253, 1569825), (275, 1444239), (345, 1151205), (495, 802355), (575, 690723), (759, 523275), (825, 481413), (1035, 383735), (1265, 313965), (1725, 230241), (2277, 174425), (2475, 160471), (3795, 104655), (5175, 76747), (6325, 62793), (6977, 56925), (11385, 34885), (18975, 20931)]