11972805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4723}}^1$

素因数の和:4757

約数の個数: 24

約数和(自身を含む): 20747808

約数和(自身を除く): 8775003

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 4723, 14169, 23615, 61399, 70845, 184197, 306995, 798187, 920985, 2394561, 3990935, 11972805]

約数ペア:

[(1, 11972805), (3, 3990935), (5, 2394561), (13, 920985), (15, 798187), (39, 306995), (65, 184197), (169, 70845), (195, 61399), (507, 23615), (845, 14169), (2535, 4723)]