20231667

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 10872333

約数列:

[1, 3, 9, 27, 47, 107, 141, 149, 321, 423, 447, 963, 1269, 1341, 2889, 4023, 5029, 7003, 15087, 15943, 21009, 45261, 47829, 63027, 135783, 143487, 189081, 430461, 749321, 2247963, 6743889, 20231667]

約数ペア:

[(1, 20231667), (3, 6743889), (9, 2247963), (27, 749321), (47, 430461), (107, 189081), (141, 143487), (149, 135783), (321, 63027), (423, 47829), (447, 45261), (963, 21009), (1269, 15943), (1341, 15087), (2889, 7003), (4023, 5029)]