28207942725

素因数分解:

$3^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{883}}^1\times {\mathrm{2713}}^1$

素因数の和:3766

約数の個数: 48

約数和(自身を含む): 47004656192

約数和(自身を除く): 18796713467

約数列:

[1, 3, 5, 15, 25, 75, 157, 471, 785, 883, 2355, 2649, 2713, 3925, 4415, 8139, 11775, 13245, 13565, 22075, 40695, 66225, 67825, 138631, 203475, 415893, 425941, 693155, 1277823, 2079465, 2129705, 2395579, 3465775, 6389115, 7186737, 10397325, 10648525, 11977895, 31945575, 35933685, 59889475, 179668425, 376105903, 1128317709, 1880529515, 5641588545, 9402647575, 28207942725]

約数ペア:

[(1, 28207942725), (3, 9402647575), (5, 5641588545), (15, 1880529515), (25, 1128317709), (75, 376105903), (157, 179668425), (471, 59889475), (785, 35933685), (883, 31945575), (2355, 11977895), (2649, 10648525), (2713, 10397325), (3925, 7186737), (4415, 6389115), (8139, 3465775), (11775, 2395579), (13245, 2129705), (13565, 2079465), (22075, 1277823), (40695, 693155), (66225, 425941), (67825, 415893), (138631, 203475)]