256878873

素因数分解:

$3^2\times {\mathrm{239}}^1\times {\mathrm{307}}^1\times {\mathrm{389}}^1$

素因数の和:941

約数の個数: 24

約数和(自身を含む): 374774400

約数和(自身を除く): 117895527

約数列:

[1, 3, 9, 239, 307, 389, 717, 921, 1167, 2151, 2763, 3501, 73373, 92971, 119423, 220119, 278913, 358269, 660357, 836739, 1074807, 28542097, 85626291, 256878873]

約数ペア:

[(1, 256878873), (3, 85626291), (9, 28542097), (239, 1074807), (307, 836739), (389, 660357), (717, 358269), (921, 278913), (1167, 220119), (2151, 119423), (2763, 92971), (3501, 73373)]