42187941

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 62318360

約数和(自身を除く): 20130419

約数列:

[1, 3, 9, 73, 157, 219, 409, 471, 657, 1227, 1413, 3681, 11461, 29857, 34383, 64213, 89571, 103149, 192639, 268713, 577917, 4687549, 14062647, 42187941]

約数ペア:

[(1, 42187941), (3, 14062647), (9, 4687549), (73, 577917), (157, 268713), (219, 192639), (409, 103149), (471, 89571), (657, 64213), (1227, 34383), (1413, 29857), (3681, 11461)]