31071327

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1811}}^1$

素因数の和:1883

約数の個数: 32

約数和(自身を含む): 51025920

約数和(自身を除く): 19954593

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 903, 1811, 2451, 5433, 5719, 12677, 17157, 34409, 38031, 77873, 103227, 233619, 240863, 545111, 722589, 1479587, 1635333, 4438761, 10357109, 31071327]

約数ペア:

[(1, 31071327), (3, 10357109), (7, 4438761), (19, 1635333), (21, 1479587), (43, 722589), (57, 545111), (129, 240863), (133, 233619), (301, 103227), (399, 77873), (817, 38031), (903, 34409), (1811, 17157), (2451, 12677), (5433, 5719)]