72972417

素因数分解:

$3^1\times 7^2\times {\mathrm{661}}^1\times {\mathrm{751}}^1$

素因数の和:1429

約数の個数: 24

約数和(自身を含む): 113503872

約数和(自身を除く): 40531455

約数列:

[1, 3, 7, 21, 49, 147, 661, 751, 1983, 2253, 4627, 5257, 13881, 15771, 32389, 36799, 97167, 110397, 496411, 1489233, 3474877, 10424631, 24324139, 72972417]

約数ペア:

[(1, 72972417), (3, 24324139), (7, 10424631), (21, 3474877), (49, 1489233), (147, 496411), (661, 110397), (751, 97167), (1983, 36799), (2253, 32389), (4627, 15771), (5257, 13881)]