11821005

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{1787}}^1$

素因数の和:1815

約数の個数: 48

約数和(自身を含む): 24459840

約数和(自身を除く): 12638835

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 1787, 2205, 5361, 6615, 8935, 12509, 16083, 26805, 37527, 48249, 62545, 80415, 87563, 112581, 187635, 241245, 262689, 337743, 437815, 562905, 788067, 1313445, 1688715, 2364201, 3940335, 11821005]

約数ペア:

[(1, 11821005), (3, 3940335), (5, 2364201), (7, 1688715), (9, 1313445), (15, 788067), (21, 562905), (27, 437815), (35, 337743), (45, 262689), (49, 241245), (63, 187635), (105, 112581), (135, 87563), (147, 80415), (189, 62545), (245, 48249), (315, 37527), (441, 26805), (735, 16083), (945, 12509), (1323, 8935), (1787, 6615), (2205, 5361)]