290421921

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{18443}}^1$

素因数の和:18656

約数の個数: 16

約数和(自身を含む): 402816960

約数和(自身を除く): 112395039

約数列:

[1, 3, 29, 87, 181, 543, 5249, 15747, 18443, 55329, 534847, 1604541, 3338183, 10014549, 96807307, 290421921]

約数ペア:

[(1, 290421921), (3, 96807307), (29, 10014549), (87, 3338183), (181, 1604541), (543, 534847), (5249, 55329), (15747, 18443)]