201816531

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{28349}}^1$

素因数の和:28475

約数の個数: 24

約数和(自身を含む): 336117600

約数和(自身を除く): 134301069

約数列:

[1, 3, 7, 9, 21, 63, 113, 339, 791, 1017, 2373, 7119, 28349, 85047, 198443, 255141, 595329, 1785987, 3203437, 9610311, 22424059, 28830933, 67272177, 201816531]

約数ペア:

[(1, 201816531), (3, 67272177), (7, 28830933), (9, 22424059), (21, 9610311), (63, 3203437), (113, 1785987), (339, 595329), (791, 255141), (1017, 198443), (2373, 85047), (7119, 28349)]