401036139

素因数分解:

$3^2\times 7^2\times {\mathrm{909379}}^1$

素因数の和:909399

約数の個数: 18

約数和(自身を含む): 673850580

約数和(自身を除く): 272814441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 909379, 2728137, 6365653, 8184411, 19096959, 44559571, 57290877, 133678713, 401036139]

約数ペア:

[(1, 401036139), (3, 133678713), (7, 57290877), (9, 44559571), (21, 19096959), (49, 8184411), (63, 6365653), (147, 2728137), (441, 909379)]