27931475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{601}}^1$

素因数の和:648

約数の個数: 36

約数和(自身を含む): 40981752

約数和(自身を除く): 13050277

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 169, 275, 325, 601, 715, 845, 1859, 3005, 3575, 4225, 6611, 7813, 9295, 15025, 33055, 39065, 46475, 85943, 101569, 165275, 195325, 429715, 507845, 1117259, 2148575, 2539225, 5586295, 27931475]

約数ペア:

[(1, 27931475), (5, 5586295), (11, 2539225), (13, 2148575), (25, 1117259), (55, 507845), (65, 429715), (143, 195325), (169, 165275), (275, 101569), (325, 85943), (601, 46475), (715, 39065), (845, 33055), (1859, 15025), (3005, 9295), (3575, 7813), (4225, 6611)]