17968251

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3943}}^1$

素因数の和:3991

約数の個数: 24

約数和(自身を含む): 28775424

約数和(自身を除く): 10807173

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 3943, 4557, 11829, 27601, 82803, 122233, 193207, 366699, 579621, 855631, 2566893, 5989417, 17968251]

約数ペア:

[(1, 17968251), (3, 5989417), (7, 2566893), (21, 855631), (31, 579621), (49, 366699), (93, 193207), (147, 122233), (217, 82803), (651, 27601), (1519, 11829), (3943, 4557)]