72265305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1321}}^1$

素因数の和:1857

約数の個数: 32

約数和(自身を含む): 132496128

約数和(自身を除く): 60230823

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 521, 1321, 1563, 2605, 3647, 3963, 6605, 7815, 9247, 10941, 18235, 19815, 27741, 46235, 54705, 138705, 688241, 2064723, 3441205, 4817687, 10323615, 14453061, 24088435, 72265305]

約数ペア:

[(1, 72265305), (3, 24088435), (5, 14453061), (7, 10323615), (15, 4817687), (21, 3441205), (35, 2064723), (105, 688241), (521, 138705), (1321, 54705), (1563, 46235), (2605, 27741), (3647, 19815), (3963, 18235), (6605, 10941), (7815, 9247)]