16180905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{491}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 28103040

約数和(自身を除く): 11922135

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 491, 507, 845, 1473, 2197, 2455, 2535, 6383, 6591, 7365, 10985, 19149, 31915, 32955, 82979, 95745, 248937, 414895, 1078727, 1244685, 3236181, 5393635, 16180905]

約数ペア:

[(1, 16180905), (3, 5393635), (5, 3236181), (13, 1244685), (15, 1078727), (39, 414895), (65, 248937), (169, 95745), (195, 82979), (491, 32955), (507, 31915), (845, 19149), (1473, 10985), (2197, 7365), (2455, 6591), (2535, 6383)]