287137035

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68611}}^1$

素因数の和:68656

約数の個数: 32

約数和(自身を含む): 526940160

約数和(自身を除く): 239803125

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 68611, 205833, 343055, 617499, 1029165, 1852497, 2126941, 3087495, 6380823, 9262485, 10634705, 19142469, 31904115, 57427407, 95712345, 287137035]

約数ペア:

[(1, 287137035), (3, 95712345), (5, 57427407), (9, 31904115), (15, 19142469), (27, 10634705), (31, 9262485), (45, 6380823), (93, 3087495), (135, 2126941), (155, 1852497), (279, 1029165), (465, 617499), (837, 343055), (1395, 205833), (4185, 68611)]