12420171

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 18620784

約数和(自身を除く): 6200613

約数列:

[1, 3, 9, 41, 97, 123, 291, 347, 369, 873, 1041, 3123, 3977, 11931, 14227, 33659, 35793, 42681, 100977, 128043, 302931, 1380019, 4140057, 12420171]

約数ペア:

[(1, 12420171), (3, 4140057), (9, 1380019), (41, 302931), (97, 128043), (123, 100977), (291, 42681), (347, 35793), (369, 33659), (873, 14227), (1041, 11931), (3123, 3977)]