26722725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{20959}}^1$

素因数の和:20989

約数の個数: 24

約数和(自身を含む): 46782720

約数和(自身を除く): 20059995

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 20959, 62877, 104795, 314385, 356303, 523975, 1068909, 1571925, 1781515, 5344545, 8907575, 26722725]

約数ペア:

[(1, 26722725), (3, 8907575), (5, 5344545), (15, 1781515), (17, 1571925), (25, 1068909), (51, 523975), (75, 356303), (85, 314385), (255, 104795), (425, 62877), (1275, 20959)]