2145172605

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3325849}}^1$

素因数の和:3325900

約数の個数: 16

約数和(自身を含む): 3512097600

約数和(自身を除く): 1366924995

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 3325849, 9977547, 16629245, 49887735, 143011507, 429034521, 715057535, 2145172605]

約数ペア:

[(1, 2145172605), (3, 715057535), (5, 429034521), (15, 143011507), (43, 49887735), (129, 16629245), (215, 9977547), (645, 3325849)]