85321821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{20071}}^1$

素因数の和:20196

約数の個数: 16

約数和(自身を含む): 123643520

約数和(自身を除く): 38321699

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 20071, 60213, 260923, 782769, 2187739, 6563217, 28440607, 85321821]

約数ペア:

[(1, 85321821), (3, 28440607), (13, 6563217), (39, 2187739), (109, 782769), (327, 260923), (1417, 60213), (4251, 20071)]