28920675

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1777}}^1$

素因数の和:1828

約数の個数: 48

約数和(自身を含む): 56440832

約数和(自身を除く): 27520157

約数列:

[1, 3, 5, 7, 15, 21, 25, 31, 35, 75, 93, 105, 155, 175, 217, 465, 525, 651, 775, 1085, 1777, 2325, 3255, 5331, 5425, 8885, 12439, 16275, 26655, 37317, 44425, 55087, 62195, 133275, 165261, 186585, 275435, 310975, 385609, 826305, 932925, 1156827, 1377175, 1928045, 4131525, 5784135, 9640225, 28920675]

約数ペア:

[(1, 28920675), (3, 9640225), (5, 5784135), (7, 4131525), (15, 1928045), (21, 1377175), (25, 1156827), (31, 932925), (35, 826305), (75, 385609), (93, 310975), (105, 275435), (155, 186585), (175, 165261), (217, 133275), (465, 62195), (525, 55087), (651, 44425), (775, 37317), (1085, 26655), (1777, 16275), (2325, 12439), (3255, 8885), (5331, 5425)]