28581675

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{773}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 51827040

約数和(自身を除く): 23245365

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 75, 85, 87, 145, 255, 425, 435, 493, 725, 773, 1275, 1479, 2175, 2319, 2465, 3865, 7395, 11595, 12325, 13141, 19325, 22417, 36975, 39423, 57975, 65705, 67251, 112085, 197115, 328525, 336255, 381089, 560425, 985575, 1143267, 1681275, 1905445, 5716335, 9527225, 28581675]

約数ペア:

[(1, 28581675), (3, 9527225), (5, 5716335), (15, 1905445), (17, 1681275), (25, 1143267), (29, 985575), (51, 560425), (75, 381089), (85, 336255), (87, 328525), (145, 197115), (255, 112085), (425, 67251), (435, 65705), (493, 57975), (725, 39423), (773, 36975), (1275, 22417), (1479, 19325), (2175, 13141), (2319, 12325), (2465, 11595), (3865, 7395)]