989121

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:133

約数の個数: 32

約数和(自身を含む): 1653760

約数和(自身を除く): 664639

約数列:

[1, 3, 7, 19, 21, 37, 57, 67, 111, 133, 201, 259, 399, 469, 703, 777, 1273, 1407, 2109, 2479, 3819, 4921, 7437, 8911, 14763, 17353, 26733, 47101, 52059, 141303, 329707, 989121]

約数ペア:

[(1, 989121), (3, 329707), (7, 141303), (19, 52059), (21, 47101), (37, 26733), (57, 17353), (67, 14763), (111, 8911), (133, 7437), (201, 4921), (259, 3819), (399, 2479), (469, 2109), (703, 1407), (777, 1273)]