248790129

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1\times {\mathrm{569}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 388730880

約数和(自身を除く): 139940751

約数列:

[1, 3, 7, 21, 47, 141, 329, 443, 569, 987, 1329, 1707, 3101, 3983, 9303, 11949, 20821, 26743, 62463, 80229, 145747, 187201, 252067, 437241, 561603, 756201, 1764469, 5293407, 11847149, 35541447, 82930043, 248790129]

約数ペア:

[(1, 248790129), (3, 82930043), (7, 35541447), (21, 11847149), (47, 5293407), (141, 1764469), (329, 756201), (443, 561603), (569, 437241), (987, 252067), (1329, 187201), (1707, 145747), (3101, 80229), (3983, 62463), (9303, 26743), (11949, 20821)]