18660729

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1231}}^1$

素因数の和:1428

約数の個数: 16

約数和(自身を含む): 25862144

約数和(自身を除く): 7201415

約数列:

[1, 3, 31, 93, 163, 489, 1231, 3693, 5053, 15159, 38161, 114483, 200653, 601959, 6220243, 18660729]

約数ペア:

[(1, 18660729), (3, 6220243), (31, 601959), (93, 200653), (163, 114483), (489, 38161), (1231, 15159), (3693, 5053)]