64121445

素因数分解:

$3^2\times 5^1\times {\mathrm{827}}^1\times {\mathrm{1723}}^1$

素因数の和:2561

約数の個数: 24

約数和(自身を含む): 111342816

約数和(自身を除く): 47221371

約数列:

[1, 3, 5, 9, 15, 45, 827, 1723, 2481, 4135, 5169, 7443, 8615, 12405, 15507, 25845, 37215, 77535, 1424921, 4274763, 7124605, 12824289, 21373815, 64121445]

約数ペア:

[(1, 64121445), (3, 21373815), (5, 12824289), (9, 7124605), (15, 4274763), (45, 1424921), (827, 77535), (1723, 37215), (2481, 25845), (4135, 15507), (5169, 12405), (7443, 8615)]