204168315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{25537}}^1$

素因数の和:25599

約数の個数: 32

約数和(自身を含む): 360392256

約数和(自身を除く): 156223941

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 7995, 25537, 76611, 127685, 331981, 383055, 995943, 1047017, 1659905, 3141051, 4979715, 5235085, 13611221, 15705255, 40833663, 68056105, 204168315]

約数ペア:

[(1, 204168315), (3, 68056105), (5, 40833663), (13, 15705255), (15, 13611221), (39, 5235085), (41, 4979715), (65, 3141051), (123, 1659905), (195, 1047017), (205, 995943), (533, 383055), (615, 331981), (1599, 127685), (2665, 76611), (7995, 25537)]