47720463

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{6907}}^1$

素因数の和:6971

約数の個数: 24

約数和(自身を含む): 75601152

約数和(自身を除く): 27880689

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 6907, 6909, 20721, 48349, 145047, 324629, 338443, 973887, 1015329, 2272403, 6817209, 15906821, 47720463]

約数ペア:

[(1, 47720463), (3, 15906821), (7, 6817209), (21, 2272403), (47, 1015329), (49, 973887), (141, 338443), (147, 324629), (329, 145047), (987, 48349), (2303, 20721), (6907, 6909)]