156941071

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 188455680

約数和(自身を除く): 31514609

約数列:

[1, 7, 41, 49, 191, 287, 409, 1337, 2009, 2863, 7831, 9359, 16769, 20041, 54817, 78119, 117383, 383719, 546833, 821681, 3202879, 3827831, 22420153, 156941071]

約数ペア:

[(1, 156941071), (7, 22420153), (41, 3827831), (49, 3202879), (191, 821681), (287, 546833), (409, 383719), (1337, 117383), (2009, 78119), (2863, 54817), (7831, 20041), (9359, 16769)]