72240405

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71881}}^1$

素因数の和:71956

約数の個数: 16

約数和(自身を含む): 117311424

約数和(自身を除く): 45071019

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 71881, 215643, 359405, 1078215, 4816027, 14448081, 24080135, 72240405]

約数ペア:

[(1, 72240405), (3, 24080135), (5, 14448081), (15, 4816027), (67, 1078215), (201, 359405), (335, 215643), (1005, 71881)]