26990475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{21169}}^1$

素因数の和:21199

約数の個数: 24

約数和(自身を含む): 47251440

約数和(自身を除く): 20260965

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 21169, 63507, 105845, 317535, 359873, 529225, 1079619, 1587675, 1799365, 5398095, 8996825, 26990475]

約数ペア:

[(1, 26990475), (3, 8996825), (5, 5398095), (15, 1799365), (17, 1587675), (25, 1079619), (51, 529225), (75, 359873), (85, 317535), (255, 105845), (425, 63507), (1275, 21169)]