421521

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 16

約数和(自身を含む): 604800

約数和(自身を除く): 183279

約数列:

[1, 3, 23, 41, 69, 123, 149, 447, 943, 2829, 3427, 6109, 10281, 18327, 140507, 421521]

約数ペア:

[(1, 421521), (3, 140507), (23, 18327), (41, 10281), (69, 6109), (123, 3427), (149, 2829), (447, 943)]