15972019959

素因数分解:

$3^1\times 7^2\times {\mathrm{661}}^1\times {\mathrm{164377}}^1$

素因数の和:165055

約数の個数: 24

約数和(自身を含む): 24810557808

約数和(自身を除く): 8838537849

約数列:

[1, 3, 7, 21, 49, 147, 661, 1983, 4627, 13881, 32389, 97167, 164377, 493131, 1150639, 3451917, 8054473, 24163419, 108653197, 325959591, 760572379, 2281717137, 5324006653, 15972019959]

約数ペア:

[(1, 15972019959), (3, 5324006653), (7, 2281717137), (21, 760572379), (49, 325959591), (147, 108653197), (661, 24163419), (1983, 8054473), (4627, 3451917), (13881, 1150639), (32389, 493131), (97167, 164377)]