72800553

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 113218560

約数和(自身を除く): 40418007

約数列:

[1, 3, 7, 21, 107, 179, 181, 321, 537, 543, 749, 1253, 1267, 2247, 3759, 3801, 19153, 19367, 32399, 57459, 58101, 97197, 134071, 135569, 226793, 402213, 406707, 680379, 3466693, 10400079, 24266851, 72800553]

約数ペア:

[(1, 72800553), (3, 24266851), (7, 10400079), (21, 3466693), (107, 680379), (179, 406707), (181, 402213), (321, 226793), (537, 135569), (543, 134071), (749, 97197), (1253, 58101), (1267, 57459), (2247, 32399), (3759, 19367), (3801, 19153)]