2115555

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 3843840

約数和(自身を除く): 1728285

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 571, 741, 1235, 1713, 2855, 3705, 7423, 8565, 10849, 22269, 32547, 37115, 54245, 111345, 141037, 162735, 423111, 705185, 2115555]

約数ペア:

[(1, 2115555), (3, 705185), (5, 423111), (13, 162735), (15, 141037), (19, 111345), (39, 54245), (57, 37115), (65, 32547), (95, 22269), (195, 10849), (247, 8565), (285, 7423), (571, 3705), (741, 2855), (1235, 1713)]