30928665

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 50823936

約数和(自身を除く): 19895271

約数列:

[1, 3, 5, 15, 71, 113, 213, 257, 339, 355, 565, 771, 1065, 1285, 1695, 3855, 8023, 18247, 24069, 29041, 40115, 54741, 87123, 91235, 120345, 145205, 273705, 435615, 2061911, 6185733, 10309555, 30928665]

約数ペア:

[(1, 30928665), (3, 10309555), (5, 6185733), (15, 2061911), (71, 435615), (113, 273705), (213, 145205), (257, 120345), (339, 91235), (355, 87123), (565, 54741), (771, 40115), (1065, 29041), (1285, 24069), (1695, 18247), (3855, 8023)]