42180405

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{17911}}^1$

素因数の和:18076

約数の個数: 16

約数和(自身を含む): 67922304

約数和(自身を除く): 25741899

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 17911, 53733, 89555, 268665, 2812027, 8436081, 14060135, 42180405]

約数ペア:

[(1, 42180405), (3, 14060135), (5, 8436081), (15, 2812027), (157, 268665), (471, 89555), (785, 53733), (2355, 17911)]