9821217

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{941}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 15463872

約数和(自身を除く): 5642655

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 941, 1491, 2823, 3479, 6587, 10437, 19761, 46109, 66811, 138327, 200433, 467677, 1403031, 3273739, 9821217]

約数ペア:

[(1, 9821217), (3, 3273739), (7, 1403031), (21, 467677), (49, 200433), (71, 138327), (147, 66811), (213, 46109), (497, 19761), (941, 10437), (1491, 6587), (2823, 3479)]