900879885

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{12583}}^1$

素因数の和:12674

約数の個数: 48

約数和(自身を含む): 1641154944

約数和(自身を除く): 740275059

約数列:

[1, 3, 5, 9, 15, 37, 43, 45, 111, 129, 185, 215, 333, 387, 555, 645, 1591, 1665, 1935, 4773, 7955, 12583, 14319, 23865, 37749, 62915, 71595, 113247, 188745, 465571, 541069, 566235, 1396713, 1623207, 2327855, 2705345, 4190139, 4869621, 6983565, 8116035, 20019553, 20950695, 24348105, 60058659, 100097765, 180175977, 300293295, 900879885]

約数ペア:

[(1, 900879885), (3, 300293295), (5, 180175977), (9, 100097765), (15, 60058659), (37, 24348105), (43, 20950695), (45, 20019553), (111, 8116035), (129, 6983565), (185, 4869621), (215, 4190139), (333, 2705345), (387, 2327855), (555, 1623207), (645, 1396713), (1591, 566235), (1665, 541069), (1935, 465571), (4773, 188745), (7955, 113247), (12583, 71595), (14319, 62915), (23865, 37749)]