81985605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{420439}}^1$

素因数の和:420460

約数の個数: 16

約数和(自身を含む): 141267840

約数和(自身を除く): 59282235

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 420439, 1261317, 2102195, 5465707, 6306585, 16397121, 27328535, 81985605]

約数ペア:

[(1, 81985605), (3, 27328535), (5, 16397121), (13, 6306585), (15, 5465707), (39, 2102195), (65, 1261317), (195, 420439)]