7813455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2357}}^1$

素因数の和:2395

約数の個数: 32

約数和(自身を含む): 14261184

約数和(自身を除く): 6447729

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 2357, 3315, 7071, 11785, 30641, 35355, 40069, 91923, 120207, 153205, 200345, 459615, 520897, 601035, 1562691, 2604485, 7813455]

約数ペア:

[(1, 7813455), (3, 2604485), (5, 1562691), (13, 601035), (15, 520897), (17, 459615), (39, 200345), (51, 153205), (65, 120207), (85, 91923), (195, 40069), (221, 35355), (255, 30641), (663, 11785), (1105, 7071), (2357, 3315)]