72627921

素因数分解:

$3^4\times {\mathrm{521}}^1\times {\mathrm{1721}}^1$

素因数の和:2254

約数の個数: 20

約数和(自身を含む): 108764964

約数和(自身を除く): 36137043

約数列:

[1, 3, 9, 27, 81, 521, 1563, 1721, 4689, 5163, 14067, 15489, 42201, 46467, 139401, 896641, 2689923, 8069769, 24209307, 72627921]

約数ペア:

[(1, 72627921), (3, 24209307), (9, 8069769), (27, 2689923), (81, 896641), (521, 139401), (1563, 46467), (1721, 42201), (4689, 15489), (5163, 14067)]