2425905

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 4552704

約数和(自身を除く): 2126799

約数列:

[1, 3, 5, 9, 15, 31, 37, 45, 47, 93, 111, 141, 155, 185, 235, 279, 333, 423, 465, 555, 705, 1147, 1395, 1457, 1665, 1739, 2115, 3441, 4371, 5217, 5735, 7285, 8695, 10323, 13113, 15651, 17205, 21855, 26085, 51615, 53909, 65565, 78255, 161727, 269545, 485181, 808635, 2425905]

約数ペア:

[(1, 2425905), (3, 808635), (5, 485181), (9, 269545), (15, 161727), (31, 78255), (37, 65565), (45, 53909), (47, 51615), (93, 26085), (111, 21855), (141, 17205), (155, 15651), (185, 13113), (235, 10323), (279, 8695), (333, 7285), (423, 5735), (465, 5217), (555, 4371), (705, 3441), (1147, 2115), (1395, 1739), (1457, 1665)]