121680675

素因数分解:

$3^2\times 5^2\times {\mathrm{540803}}^1$

素因数の和:540819

約数の個数: 18

約数和(自身を含む): 217944012

約数和(自身を除く): 96263337

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 540803, 1622409, 2704015, 4867227, 8112045, 13520075, 24336135, 40560225, 121680675]

約数ペア:

[(1, 121680675), (3, 40560225), (5, 24336135), (9, 13520075), (15, 8112045), (25, 4867227), (45, 2704015), (75, 1622409), (225, 540803)]