217042113

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{12281}}^1$

素因数の和:12464

約数の個数: 16

約数和(自身を含む): 298305216

約数和(自身を除く): 81263103

約数列:

[1, 3, 43, 129, 137, 411, 5891, 12281, 17673, 36843, 528083, 1584249, 1682497, 5047491, 72347371, 217042113]

約数ペア:

[(1, 217042113), (3, 72347371), (43, 5047491), (129, 1682497), (137, 1584249), (411, 528083), (5891, 36843), (12281, 17673)]