28523385

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1987}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 55823040

約数和(自身を除く): 27299655

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 957, 1305, 1595, 1987, 2871, 4785, 5961, 9935, 14355, 17883, 21857, 29805, 57623, 65571, 89415, 109285, 172869, 196713, 288115, 327855, 518607, 633853, 864345, 983565, 1901559, 2593035, 3169265, 5704677, 9507795, 28523385]

約数ペア:

[(1, 28523385), (3, 9507795), (5, 5704677), (9, 3169265), (11, 2593035), (15, 1901559), (29, 983565), (33, 864345), (45, 633853), (55, 518607), (87, 327855), (99, 288115), (145, 196713), (165, 172869), (261, 109285), (319, 89415), (435, 65571), (495, 57623), (957, 29805), (1305, 21857), (1595, 17883), (1987, 14355), (2871, 9935), (4785, 5961)]