72117815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17029}}^1$

素因数の和:17063

約数の個数: 24

約数和(自身を含む): 108719520

約数和(自身を除く): 36601705

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 17029, 85145, 119203, 187319, 596015, 936595, 1311233, 2060509, 6556165, 10302545, 14423563, 72117815]

約数ペア:

[(1, 72117815), (5, 14423563), (7, 10302545), (11, 6556165), (35, 2060509), (55, 1311233), (77, 936595), (121, 596015), (385, 187319), (605, 119203), (847, 85145), (4235, 17029)]