660245439

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{859}}^1\times {\mathrm{2153}}^1$

素因数の和:3039

約数の個数: 32

約数和(自身を含む): 1067005440

約数和(自身を除く): 406760001

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 859, 2153, 2577, 6013, 6459, 14603, 15071, 18039, 36601, 43809, 45213, 102221, 109803, 256207, 306663, 768621, 1849427, 5548281, 12945989, 31440259, 38837967, 94320777, 220081813, 660245439]

約数ペア:

[(1, 660245439), (3, 220081813), (7, 94320777), (17, 38837967), (21, 31440259), (51, 12945989), (119, 5548281), (357, 1849427), (859, 768621), (2153, 306663), (2577, 256207), (6013, 109803), (6459, 102221), (14603, 45213), (15071, 43809), (18039, 36601)]