2253855

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 3852288

約数和(自身を除く): 1598433

約数列:

[1, 3, 5, 15, 31, 37, 93, 111, 131, 155, 185, 393, 465, 555, 655, 1147, 1965, 3441, 4061, 4847, 5735, 12183, 14541, 17205, 20305, 24235, 60915, 72705, 150257, 450771, 751285, 2253855]

約数ペア:

[(1, 2253855), (3, 751285), (5, 450771), (15, 150257), (31, 72705), (37, 60915), (93, 24235), (111, 20305), (131, 17205), (155, 14541), (185, 12183), (393, 5735), (465, 4847), (555, 4061), (655, 3441), (1147, 1965)]