13279821

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 18105600

約数和(自身を除く): 4825779

約数列:

[1, 3, 79, 137, 237, 409, 411, 1227, 10823, 32311, 32469, 56033, 96933, 168099, 4426607, 13279821]

約数ペア:

[(1, 13279821), (3, 4426607), (79, 168099), (137, 96933), (237, 56033), (409, 32469), (411, 32311), (1227, 10823)]