645315

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3911}}^1$

素因数の和:3930

約数の個数: 16

約数和(自身を含む): 1126656

約数和(自身を除く): 481341

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 3911, 11733, 19555, 43021, 58665, 129063, 215105, 645315]

約数ペア:

[(1, 645315), (3, 215105), (5, 129063), (11, 58665), (15, 43021), (33, 19555), (55, 11733), (165, 3911)]