64479645

素因数分解:

$3^4\times 5^1\times {\mathrm{159209}}^1$

素因数の和:159226

約数の個数: 20

約数和(自身を含む): 115586460

約数和(自身を除く): 51106815

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 159209, 477627, 796045, 1432881, 2388135, 4298643, 7164405, 12895929, 21493215, 64479645]

約数ペア:

[(1, 64479645), (3, 21493215), (5, 12895929), (9, 7164405), (15, 4298643), (27, 2388135), (45, 1432881), (81, 796045), (135, 477627), (405, 159209)]