29978829

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{11939}}^1$

素因数の和:11982

約数の個数: 20

約数和(自身を含む): 46231680

約数和(自身を除く): 16252851

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 11939, 35817, 107451, 322353, 370109, 967059, 1110327, 3330981, 9992943, 29978829]

約数ペア:

[(1, 29978829), (3, 9992943), (9, 3330981), (27, 1110327), (31, 967059), (81, 370109), (93, 322353), (279, 107451), (837, 35817), (2511, 11939)]