245676879

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{419}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 418279680

約数和(自身を除く): 172602801

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 227, 287, 369, 419, 681, 861, 1257, 1589, 2043, 2583, 2933, 3771, 4767, 8799, 9307, 14301, 17179, 26397, 27921, 51537, 65149, 83763, 95113, 120253, 154611, 195447, 285339, 360759, 586341, 665791, 856017, 1082277, 1997373, 3899633, 5992119, 11698899, 27297431, 35096697, 81892293, 245676879]

約数ペア:

[(1, 245676879), (3, 81892293), (7, 35096697), (9, 27297431), (21, 11698899), (41, 5992119), (63, 3899633), (123, 1997373), (227, 1082277), (287, 856017), (369, 665791), (419, 586341), (681, 360759), (861, 285339), (1257, 195447), (1589, 154611), (2043, 120253), (2583, 95113), (2933, 83763), (3771, 65149), (4767, 51537), (8799, 27921), (9307, 26397), (14301, 17179)]