2608245

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 4563000

約数和(自身を除く): 1954755

約数列:

[1, 3, 5, 9, 15, 45, 149, 389, 447, 745, 1167, 1341, 1945, 2235, 3501, 5835, 6705, 17505, 57961, 173883, 289805, 521649, 869415, 2608245]

約数ペア:

[(1, 2608245), (3, 869415), (5, 521649), (9, 289805), (15, 173883), (45, 57961), (149, 17505), (389, 6705), (447, 5835), (745, 3501), (1167, 2235), (1341, 1945)]