18615357

素因数分解:

$3^2\times {\mathrm{17}}^3\times {\mathrm{421}}^1$

素因数の和:478

約数の個数: 24

約数和(自身を含む): 28636920

約数和(自身を除く): 10021563

約数列:

[1, 3, 9, 17, 51, 153, 289, 421, 867, 1263, 2601, 3789, 4913, 7157, 14739, 21471, 44217, 64413, 121669, 365007, 1095021, 2068373, 6205119, 18615357]

約数ペア:

[(1, 18615357), (3, 6205119), (9, 2068373), (17, 1095021), (51, 365007), (153, 121669), (289, 64413), (421, 44217), (867, 21471), (1263, 14739), (2601, 7157), (3789, 4913)]