977190075

素因数分解:

$3^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{20981}}^1$

素因数の和:21026

約数の個数: 60

約数和(自身を含む): 1888883568

約数和(自身を除く): 911693493

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 135, 207, 225, 345, 405, 575, 621, 675, 1035, 1725, 1863, 2025, 3105, 5175, 9315, 15525, 20981, 46575, 62943, 104905, 188829, 314715, 482563, 524525, 566487, 944145, 1447689, 1573575, 1699461, 2412815, 2832435, 4343067, 4720725, 7238445, 8497305, 12064075, 13029201, 14162175, 21715335, 36192225, 39087603, 42486525, 65146005, 108576675, 195438015, 325730025, 977190075]

約数ペア:

[(1, 977190075), (3, 325730025), (5, 195438015), (9, 108576675), (15, 65146005), (23, 42486525), (25, 39087603), (27, 36192225), (45, 21715335), (69, 14162175), (75, 13029201), (81, 12064075), (115, 8497305), (135, 7238445), (207, 4720725), (225, 4343067), (345, 2832435), (405, 2412815), (575, 1699461), (621, 1573575), (675, 1447689), (1035, 944145), (1725, 566487), (1863, 524525), (2025, 482563), (3105, 314715), (5175, 188829), (9315, 104905), (15525, 62943), (20981, 46575)]