138673457

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{2273}}^1$

素因数の和:2337

約数の個数: 18

約数和(自身を含む): 158550102

約数和(自身を除く): 19876645

約数列:

[1, 13, 19, 169, 247, 361, 2273, 3211, 4693, 29549, 43187, 61009, 384137, 561431, 820553, 7298603, 10667189, 138673457]

約数ペア:

[(1, 138673457), (13, 10667189), (19, 7298603), (169, 820553), (247, 561431), (361, 384137), (2273, 61009), (3211, 43187), (4693, 29549)]