121567725

素因数分解:

$3^2\times 5^2\times {\mathrm{540301}}^1$

素因数の和:540317

約数の個数: 18

約数和(自身を含む): 217741706

約数和(自身を除く): 96173981

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 540301, 1620903, 2701505, 4862709, 8104515, 13507525, 24313545, 40522575, 121567725]

約数ペア:

[(1, 121567725), (3, 40522575), (5, 24313545), (9, 13507525), (15, 8104515), (25, 4862709), (45, 2701505), (75, 1620903), (225, 540301)]