7845855

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 13063680

約数和(自身を除く): 5217825

約数列:

[1, 3, 5, 15, 53, 71, 139, 159, 213, 265, 355, 417, 695, 795, 1065, 2085, 3763, 7367, 9869, 11289, 18815, 22101, 29607, 36835, 49345, 56445, 110505, 148035, 523057, 1569171, 2615285, 7845855]

約数ペア:

[(1, 7845855), (3, 2615285), (5, 1569171), (15, 523057), (53, 148035), (71, 110505), (139, 56445), (159, 49345), (213, 36835), (265, 29607), (355, 22101), (417, 18815), (695, 11289), (795, 9869), (1065, 7367), (2085, 3763)]