1991238051

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{553583}}^1$

素因数の和:553706

約数の個数: 16

約数和(自身を含む): 2922923520

約数和(自身を除く): 931685469

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 553583, 1660749, 6089413, 18268239, 60340547, 181021641, 663746017, 1991238051]

約数ペア:

[(1, 1991238051), (3, 663746017), (11, 181021641), (33, 60340547), (109, 18268239), (327, 6089413), (1199, 1660749), (3597, 553583)]