17972247

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 26516160

約数和(自身を除く): 8543913

約数列:

[1, 3, 17, 51, 53, 61, 109, 159, 183, 327, 901, 1037, 1853, 2703, 3111, 3233, 5559, 5777, 6649, 9699, 17331, 19947, 54961, 98209, 113033, 164883, 294627, 339099, 352397, 1057191, 5990749, 17972247]

約数ペア:

[(1, 17972247), (3, 5990749), (17, 1057191), (51, 352397), (53, 339099), (61, 294627), (109, 164883), (159, 113033), (183, 98209), (327, 54961), (901, 19947), (1037, 17331), (1853, 9699), (2703, 6649), (3111, 5777), (3233, 5559)]