127728937

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{283}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 152555712

約数和(自身を除く): 24826775

約数列:

[1, 7, 49, 61, 151, 283, 427, 1057, 1981, 2989, 7399, 9211, 13867, 17263, 42733, 64477, 120841, 299131, 451339, 845887, 2093917, 2606713, 18246991, 127728937]

約数ペア:

[(1, 127728937), (7, 18246991), (49, 2606713), (61, 2093917), (151, 845887), (283, 451339), (427, 299131), (1057, 120841), (1981, 64477), (2989, 42733), (7399, 17263), (9211, 13867)]