31976721

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1901}}^1$

素因数の和:2006

約数の個数: 32

約数和(自身を含む): 54777600

約数和(自身を除く): 22800879

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 267, 623, 801, 1869, 1901, 2403, 5607, 5703, 13307, 16821, 17109, 39921, 51327, 119763, 169189, 359289, 507567, 1184323, 1522701, 3552969, 4568103, 10658907, 31976721]

約数ペア:

[(1, 31976721), (3, 10658907), (7, 4568103), (9, 3552969), (21, 1522701), (27, 1184323), (63, 507567), (89, 359289), (189, 169189), (267, 119763), (623, 51327), (801, 39921), (1869, 17109), (1901, 16821), (2403, 13307), (5607, 5703)]