28031997

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{337}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 45556992

約数和(自身を除く): 17524995

約数列:

[1, 3, 7, 17, 21, 51, 119, 233, 337, 357, 699, 1011, 1631, 2359, 3961, 4893, 5729, 7077, 11883, 17187, 27727, 40103, 78521, 83181, 120309, 235563, 549647, 1334857, 1648941, 4004571, 9343999, 28031997]

約数ペア:

[(1, 28031997), (3, 9343999), (7, 4004571), (17, 1648941), (21, 1334857), (51, 549647), (119, 235563), (233, 120309), (337, 83181), (357, 78521), (699, 40103), (1011, 27727), (1631, 17187), (2359, 11883), (3961, 7077), (4893, 5729)]