81518445

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{38543}}^1$

素因数の和:38601

約数の個数: 24

約数和(自身を含む): 144308736

約数和(自身を除く): 62790291

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 38543, 115629, 192715, 346887, 578145, 1734435, 1811521, 5434563, 9057605, 16303689, 27172815, 81518445]

約数ペア:

[(1, 81518445), (3, 27172815), (5, 16303689), (9, 9057605), (15, 5434563), (45, 1811521), (47, 1734435), (141, 578145), (235, 346887), (423, 192715), (705, 115629), (2115, 38543)]