64472193

素因数分解:

$3^4\times {\mathrm{557}}^1\times {\mathrm{1429}}^1$

素因数の和:1998

約数の個数: 20

約数和(自身を含む): 96550740

約数和(自身を除く): 32078547

約数列:

[1, 3, 9, 27, 81, 557, 1429, 1671, 4287, 5013, 12861, 15039, 38583, 45117, 115749, 795953, 2387859, 7163577, 21490731, 64472193]

約数ペア:

[(1, 64472193), (3, 21490731), (9, 7163577), (27, 2387859), (81, 795953), (557, 115749), (1429, 45117), (1671, 38583), (4287, 15039), (5013, 12861)]