217065747

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{17077}}^1$

素因数の和:17322

約数の個数: 16

約数和(自身を含む): 306037760

約数和(自身を除く): 88972013

約数列:

[1, 3, 19, 57, 223, 669, 4237, 12711, 17077, 51231, 324463, 973389, 3808171, 11424513, 72355249, 217065747]

約数ペア:

[(1, 217065747), (3, 72355249), (19, 11424513), (57, 3808171), (223, 973389), (669, 324463), (4237, 51231), (12711, 17077)]