28361385

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48481}}^1$

素因数の和:48505

約数の個数: 24

約数和(自身を含む): 52942344

約数和(自身を除く): 24580959

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 48481, 145443, 242405, 436329, 630253, 727215, 1890759, 2181645, 3151265, 5672277, 9453795, 28361385]

約数ペア:

[(1, 28361385), (3, 9453795), (5, 5672277), (9, 3151265), (13, 2181645), (15, 1890759), (39, 727215), (45, 630253), (65, 436329), (117, 242405), (195, 145443), (585, 48481)]