204649995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{72959}}^1$

素因数の和:72995

約数の個数: 32

約数和(自身を含む): 378224640

約数和(自身を除く): 173574645

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 72959, 218877, 364795, 802549, 1094385, 1240303, 2407647, 3720909, 4012745, 6201515, 12038235, 13643333, 18604545, 40929999, 68216665, 204649995]

約数ペア:

[(1, 204649995), (3, 68216665), (5, 40929999), (11, 18604545), (15, 13643333), (17, 12038235), (33, 6201515), (51, 4012745), (55, 3720909), (85, 2407647), (165, 1240303), (187, 1094385), (255, 802549), (561, 364795), (935, 218877), (2805, 72959)]