1307845

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 2027520

約数和(自身を除く): 719675

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 79, 215, 301, 385, 395, 473, 553, 869, 1505, 2365, 2765, 3311, 3397, 4345, 6083, 16555, 16985, 23779, 30415, 37367, 118895, 186835, 261569, 1307845]

約数ペア:

[(1, 1307845), (5, 261569), (7, 186835), (11, 118895), (35, 37367), (43, 30415), (55, 23779), (77, 16985), (79, 16555), (215, 6083), (301, 4345), (385, 3397), (395, 3311), (473, 2765), (553, 2365), (869, 1505)]