18531207

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{859}}^1$

素因数の和:932

約数の個数: 32

約数和(自身を含む): 29721600

約数和(自身を除く): 11190393

約数列:

[1, 3, 9, 17, 27, 47, 51, 141, 153, 423, 459, 799, 859, 1269, 2397, 2577, 7191, 7731, 14603, 21573, 23193, 40373, 43809, 121119, 131427, 363357, 394281, 686341, 1090071, 2059023, 6177069, 18531207]

約数ペア:

[(1, 18531207), (3, 6177069), (9, 2059023), (17, 1090071), (27, 686341), (47, 394281), (51, 363357), (141, 131427), (153, 121119), (423, 43809), (459, 40373), (799, 23193), (859, 21573), (1269, 14603), (2397, 7731), (2577, 7191)]