3988182015

素因数分解:

$3^4\times 5^1\times {\mathrm{9847363}}^1$

素因数の和:9847380

約数の個数: 20

約数和(自身を含む): 7149186264

約数和(自身を除く): 3161004249

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 9847363, 29542089, 49236815, 88626267, 147710445, 265878801, 443131335, 797636403, 1329394005, 3988182015]

約数ペア:

[(1, 3988182015), (3, 1329394005), (5, 797636403), (9, 443131335), (15, 265878801), (27, 147710445), (45, 88626267), (81, 49236815), (135, 29542089), (405, 9847363)]