131562277

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{74287}}^1$

素因数の和:74328

約数の個数: 16

約数和(自身を含む): 171159552

約数和(自身を除く): 39597275

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 74287, 520009, 817157, 1708601, 5720099, 11960207, 18794611, 131562277]

約数ペア:

[(1, 131562277), (7, 18794611), (11, 11960207), (23, 5720099), (77, 1708601), (161, 817157), (253, 520009), (1771, 74287)]