72381087

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1531}}^1$

素因数の和:1660

約数の個数: 32

約数和(自身を含む): 114716160

約数和(自身を除く): 42335073

約数列:

[1, 3, 9, 17, 27, 51, 103, 153, 309, 459, 927, 1531, 1751, 2781, 4593, 5253, 13779, 15759, 26027, 41337, 47277, 78081, 157693, 234243, 473079, 702729, 1419237, 2680781, 4257711, 8042343, 24127029, 72381087]

約数ペア:

[(1, 72381087), (3, 24127029), (9, 8042343), (17, 4257711), (27, 2680781), (51, 1419237), (103, 702729), (153, 473079), (309, 234243), (459, 157693), (927, 78081), (1531, 47277), (1751, 41337), (2781, 26027), (4593, 15759), (5253, 13779)]