201787521

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{523}}^1\times {\mathrm{761}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 292278816

約数和(自身を除く): 90491295

約数列:

[1, 3, 13, 39, 169, 507, 523, 761, 1569, 2283, 6799, 9893, 20397, 29679, 88387, 128609, 265161, 385827, 398003, 1194009, 5174039, 15522117, 67262507, 201787521]

約数ペア:

[(1, 201787521), (3, 67262507), (13, 15522117), (39, 5174039), (169, 1194009), (507, 398003), (523, 385827), (761, 265161), (1569, 128609), (2283, 88387), (6799, 29679), (9893, 20397)]