668508981

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{7603}}^1$

素因数の和:7745

約数の個数: 32

約数和(自身を含む): 1051176960

約数和(自身を除く): 382667979

約数列:

[1, 3, 7, 21, 53, 79, 159, 237, 371, 553, 1113, 1659, 4187, 7603, 12561, 22809, 29309, 53221, 87927, 159663, 402959, 600637, 1208877, 1801911, 2820713, 4204459, 8462139, 12613377, 31833761, 95501283, 222836327, 668508981]

約数ペア:

[(1, 668508981), (3, 222836327), (7, 95501283), (21, 31833761), (53, 12613377), (79, 8462139), (159, 4204459), (237, 2820713), (371, 1801911), (553, 1208877), (1113, 600637), (1659, 402959), (4187, 159663), (7603, 87927), (12561, 53221), (22809, 29309)]