1871286039

素因数分解:

$3^2\times 7^2\times {\mathrm{4243279}}^1$

素因数の和:4243299

約数の個数: 18

約数和(自身を含む): 3144270480

約数和(自身を除く): 1272984441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4243279, 12729837, 29702953, 38189511, 89108859, 207920671, 267326577, 623762013, 1871286039]

約数ペア:

[(1, 1871286039), (3, 623762013), (7, 267326577), (9, 207920671), (21, 89108859), (49, 38189511), (63, 29702953), (147, 12729837), (441, 4243279)]