64091205

素因数分解:

$3^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2557}}^1$

素因数の和:3125

約数の個数: 24

約数和(自身を含む): 111334392

約数和(自身を除く): 47243187

約数列:

[1, 3, 5, 9, 15, 45, 557, 1671, 2557, 2785, 5013, 7671, 8355, 12785, 23013, 25065, 38355, 115065, 1424249, 4272747, 7121245, 12818241, 21363735, 64091205]

約数ペア:

[(1, 64091205), (3, 21363735), (5, 12818241), (9, 7121245), (15, 4272747), (45, 1424249), (557, 115065), (1671, 38355), (2557, 25065), (2785, 23013), (5013, 12785), (7671, 8355)]