499905

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23}}^2$

素因数の和:67

約数の個数: 48

約数和(自身を含む): 1061760

約数和(自身を除く): 561855

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 63, 69, 105, 115, 135, 161, 189, 207, 315, 345, 483, 529, 621, 805, 945, 1035, 1449, 1587, 2415, 2645, 3105, 3703, 4347, 4761, 7245, 7935, 11109, 14283, 18515, 21735, 23805, 33327, 55545, 71415, 99981, 166635, 499905]

約数ペア:

[(1, 499905), (3, 166635), (5, 99981), (7, 71415), (9, 55545), (15, 33327), (21, 23805), (23, 21735), (27, 18515), (35, 14283), (45, 11109), (63, 7935), (69, 7245), (105, 4761), (115, 4347), (135, 3703), (161, 3105), (189, 2645), (207, 2415), (315, 1587), (345, 1449), (483, 1035), (529, 945), (621, 805)]