217081803

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1\times {\mathrm{2477}}^1$

素因数の和:2834

約数の個数: 16

約数和(自身を含む): 293078016

約数和(自身を除く): 75996213

約数列:

[1, 3, 131, 223, 393, 669, 2477, 7431, 29213, 87639, 324487, 552371, 973461, 1657113, 72360601, 217081803]

約数ペア:

[(1, 217081803), (3, 72360601), (131, 1657113), (223, 973461), (393, 552371), (669, 324487), (2477, 87639), (7431, 29213)]