42780155

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2281}}^1$

素因数の和:2339

約数の個数: 24

約数和(自身を含む): 58273152

約数和(自身を除く): 15492997

約数列:

[1, 5, 11, 31, 55, 121, 155, 341, 605, 1705, 2281, 3751, 11405, 18755, 25091, 70711, 125455, 276001, 353555, 777821, 1380005, 3889105, 8556031, 42780155]

約数ペア:

[(1, 42780155), (5, 8556031), (11, 3889105), (31, 1380005), (55, 777821), (121, 353555), (155, 276001), (341, 125455), (605, 70711), (1705, 25091), (2281, 18755), (3751, 11405)]