1870281

素因数分解:

$3^2\times 7^2\times {\mathrm{4241}}^1$

素因数の和:4261

約数の個数: 18

約数和(自身を含む): 3143322

約数和(自身を除く): 1273041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4241, 12723, 29687, 38169, 89061, 207809, 267183, 623427, 1870281]

約数ペア:

[(1, 1870281), (3, 623427), (7, 267183), (9, 207809), (21, 89061), (49, 38169), (63, 29687), (147, 12723), (441, 4241)]