207621405

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{331}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 369173376

約数和(自身を除く): 161551971

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 263, 265, 331, 477, 789, 795, 993, 1315, 1655, 2367, 2385, 2979, 3945, 4965, 11835, 13939, 14895, 17543, 41817, 52629, 69695, 87053, 87715, 125451, 157887, 209085, 261159, 263145, 435265, 627255, 783477, 789435, 1305795, 3917385, 4613809, 13841427, 23069045, 41524281, 69207135, 207621405]

約数ペア:

[(1, 207621405), (3, 69207135), (5, 41524281), (9, 23069045), (15, 13841427), (45, 4613809), (53, 3917385), (159, 1305795), (263, 789435), (265, 783477), (331, 627255), (477, 435265), (789, 263145), (795, 261159), (993, 209085), (1315, 157887), (1655, 125451), (2367, 87715), (2385, 87053), (2979, 69695), (3945, 52629), (4965, 41817), (11835, 17543), (13939, 14895)]