11720715

素因数分解:

$3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{4091}}^1$

素因数の和:4290

約数の個数: 16

約数和(自身を含む): 18855936

約数和(自身を除く): 7135221

約数列:

[1, 3, 5, 15, 191, 573, 955, 2865, 4091, 12273, 20455, 61365, 781381, 2344143, 3906905, 11720715]

約数ペア:

[(1, 11720715), (3, 3906905), (5, 2344143), (15, 781381), (191, 61365), (573, 20455), (955, 12273), (2865, 4091)]