1800439389

素因数分解:

$3^2\times 7^2\times {\mathrm{4082629}}^1$

素因数の和:4082649

約数の個数: 18

約数和(自身を含む): 3025228830

約数和(自身を除く): 1224789441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4082629, 12247887, 28578403, 36743661, 85735209, 200048821, 257205627, 600146463, 1800439389]

約数ペア:

[(1, 1800439389), (3, 600146463), (7, 257205627), (9, 200048821), (21, 85735209), (49, 36743661), (63, 28578403), (147, 12247887), (441, 4082629)]