1231569381

素因数分解:

$3^1\times 7^2\times {\mathrm{1523}}^1\times {\mathrm{5501}}^1$

素因数の和:7041

約数の個数: 24

約数和(自身を含む): 1911790944

約数和(自身を除く): 680221563

約数列:

[1, 3, 7, 21, 49, 147, 1523, 4569, 5501, 10661, 16503, 31983, 38507, 74627, 115521, 223881, 269549, 808647, 8378023, 25134069, 58646161, 175938483, 410523127, 1231569381]

約数ペア:

[(1, 1231569381), (3, 410523127), (7, 175938483), (21, 58646161), (49, 25134069), (147, 8378023), (1523, 808647), (4569, 269549), (5501, 223881), (10661, 115521), (16503, 74627), (31983, 38507)]