16681635

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 30517344

約数和(自身を除く): 13835709

約数列:

[1, 3, 5, 9, 15, 37, 43, 45, 111, 129, 185, 215, 233, 333, 387, 555, 645, 699, 1165, 1591, 1665, 1935, 2097, 3495, 4773, 7955, 8621, 10019, 10485, 14319, 23865, 25863, 30057, 43105, 50095, 71595, 77589, 90171, 129315, 150285, 370703, 387945, 450855, 1112109, 1853515, 3336327, 5560545, 16681635]

約数ペア:

[(1, 16681635), (3, 5560545), (5, 3336327), (9, 1853515), (15, 1112109), (37, 450855), (43, 387945), (45, 370703), (111, 150285), (129, 129315), (185, 90171), (215, 77589), (233, 71595), (333, 50095), (387, 43105), (555, 30057), (645, 25863), (699, 23865), (1165, 14319), (1591, 10485), (1665, 10019), (1935, 8621), (2097, 7955), (3495, 4773)]