15321187

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{677}}^1$

素因数の和:798

約数の個数: 16

約数和(自身を含む): 18159552

約数和(自身を除く): 2838365

約数列:

[1, 7, 53, 61, 371, 427, 677, 3233, 4739, 22631, 35881, 41297, 251167, 289079, 2188741, 15321187]

約数ペア:

[(1, 15321187), (7, 2188741), (53, 289079), (61, 251167), (371, 41297), (427, 35881), (677, 22631), (3233, 4739)]