201938457

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{17389}}^1$

素因数の和:17485

約数の個数: 24

約数和(自身を含む): 317193600

約数和(自身を除く): 115255143

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1659, 3871, 11613, 17389, 52167, 121723, 365169, 852061, 1373731, 2556183, 4121193, 9616117, 28848351, 67312819, 201938457]

約数ペア:

[(1, 201938457), (3, 67312819), (7, 28848351), (21, 9616117), (49, 4121193), (79, 2556183), (147, 1373731), (237, 852061), (553, 365169), (1659, 121723), (3871, 52167), (11613, 17389)]