17728767

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4937}}^1$

素因数の和:4972

約数の個数: 32

約数和(自身を含む): 31603200

約数和(自身を除く): 13874433

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 4937, 14811, 34559, 44433, 93803, 103677, 133299, 281409, 311031, 656621, 844227, 933093, 1969863, 2532681, 5909589, 17728767]

約数ペア:

[(1, 17728767), (3, 5909589), (7, 2532681), (9, 1969863), (19, 933093), (21, 844227), (27, 656621), (57, 311031), (63, 281409), (133, 133299), (171, 103677), (189, 93803), (399, 44433), (513, 34559), (1197, 14811), (3591, 4937)]