201415977

素因数分解:

$3^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3259}}^1$

素因数の和:3387

約数の個数: 40

約数和(自身を含む): 347124800

約数和(自身を除く): 145708823

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 109, 189, 327, 567, 763, 981, 2289, 2943, 3259, 6867, 8829, 9777, 20601, 22813, 29331, 61803, 68439, 87993, 205317, 263979, 355231, 615951, 1065693, 1847853, 2486617, 3197079, 7459851, 9591237, 22379553, 28773711, 67138659, 201415977]

約数ペア:

[(1, 201415977), (3, 67138659), (7, 28773711), (9, 22379553), (21, 9591237), (27, 7459851), (63, 3197079), (81, 2486617), (109, 1847853), (189, 1065693), (327, 615951), (567, 355231), (763, 263979), (981, 205317), (2289, 87993), (2943, 68439), (3259, 61803), (6867, 29331), (8829, 22813), (9777, 20601)]