15951561

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1301}}^1$

素因数の和:1432

約数の個数: 16

約数和(自身を含む): 21956928

約数和(自身を除く): 6005367

約数列:

[1, 3, 61, 67, 183, 201, 1301, 3903, 4087, 12261, 79361, 87167, 238083, 261501, 5317187, 15951561]

約数ペア:

[(1, 15951561), (3, 5317187), (61, 261501), (67, 238083), (183, 87167), (201, 79361), (1301, 12261), (3903, 4087)]