26719905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1889}}^1$

素因数の和:1961

約数の個数: 32

約数和(自身を含む): 45722880

約数和(自身を除く): 19002975

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 205, 345, 615, 943, 1889, 2829, 4715, 5667, 9445, 14145, 28335, 43447, 77449, 130341, 217235, 232347, 387245, 651705, 1161735, 1781327, 5343981, 8906635, 26719905]

約数ペア:

[(1, 26719905), (3, 8906635), (5, 5343981), (15, 1781327), (23, 1161735), (41, 651705), (69, 387245), (115, 232347), (123, 217235), (205, 130341), (345, 77449), (615, 43447), (943, 28335), (1889, 14145), (2829, 9445), (4715, 5667)]