51281145

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{49547}}^1$

素因数の和:49581

約数の個数: 24

約数和(自身を含む): 92753856

約数和(自身を除く): 41472711

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 49547, 148641, 247735, 445923, 743205, 1139581, 2229615, 3418743, 5697905, 10256229, 17093715, 51281145]

約数ペア:

[(1, 51281145), (3, 17093715), (5, 10256229), (9, 5697905), (15, 3418743), (23, 2229615), (45, 1139581), (69, 743205), (115, 445923), (207, 247735), (345, 148641), (1035, 49547)]