9965781

素因数分解:

$3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{787}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 17146880

約数和(自身を除く): 7181099

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 189, 201, 469, 603, 787, 1407, 1809, 2361, 4221, 5509, 7083, 12663, 16527, 21249, 49581, 52729, 148743, 158187, 369103, 474561, 1107309, 1423683, 3321927, 9965781]

約数ペア:

[(1, 9965781), (3, 3321927), (7, 1423683), (9, 1107309), (21, 474561), (27, 369103), (63, 158187), (67, 148743), (189, 52729), (201, 49581), (469, 21249), (603, 16527), (787, 12663), (1407, 7083), (1809, 5509), (2361, 4221)]