74487681

素因数分解:

$3^4\times {\mathrm{719}}^1\times {\mathrm{1279}}^1$

素因数の和:2010

約数の個数: 20

約数和(自身を含む): 111513600

約数和(自身を除く): 37025919

約数列:

[1, 3, 9, 27, 81, 719, 1279, 2157, 3837, 6471, 11511, 19413, 34533, 58239, 103599, 919601, 2758803, 8276409, 24829227, 74487681]

約数ペア:

[(1, 74487681), (3, 24829227), (9, 8276409), (27, 2758803), (81, 919601), (719, 103599), (1279, 58239), (2157, 34533), (3837, 19413), (6471, 11511)]