376551

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 640640

約数和(自身を除く): 264089

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 139, 301, 387, 417, 903, 973, 1251, 2709, 2919, 5977, 8757, 17931, 41839, 53793, 125517, 376551]

約数ペア:

[(1, 376551), (3, 125517), (7, 53793), (9, 41839), (21, 17931), (43, 8757), (63, 5977), (129, 2919), (139, 2709), (301, 1251), (387, 973), (417, 903)]