2216655

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 4552704

約数和(自身を除く): 2336049

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 227, 279, 315, 465, 651, 681, 1085, 1135, 1395, 1589, 1953, 2043, 3255, 3405, 4767, 7037, 7945, 9765, 10215, 14301, 21111, 23835, 35185, 49259, 63333, 71505, 105555, 147777, 246295, 316665, 443331, 738885, 2216655]

約数ペア:

[(1, 2216655), (3, 738885), (5, 443331), (7, 316665), (9, 246295), (15, 147777), (21, 105555), (31, 71505), (35, 63333), (45, 49259), (63, 35185), (93, 23835), (105, 21111), (155, 14301), (217, 10215), (227, 9765), (279, 7945), (315, 7037), (465, 4767), (651, 3405), (681, 3255), (1085, 2043), (1135, 1953), (1395, 1589)]