406995

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:682

約数の個数: 16

約数和(自身を含む): 667392

約数和(自身を除く): 260397

約数列:

[1, 3, 5, 15, 43, 129, 215, 631, 645, 1893, 3155, 9465, 27133, 81399, 135665, 406995]

約数ペア:

[(1, 406995), (3, 135665), (5, 81399), (15, 27133), (43, 9465), (129, 3155), (215, 1893), (631, 645)]