28971825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{733}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 52425216

約数和(自身を除く): 23453391

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 75, 85, 93, 155, 255, 425, 465, 527, 733, 775, 1275, 1581, 2199, 2325, 2635, 3665, 7905, 10995, 12461, 13175, 18325, 22723, 37383, 39525, 54975, 62305, 68169, 113615, 186915, 311525, 340845, 386291, 568075, 934575, 1158873, 1704225, 1931455, 5794365, 9657275, 28971825]

約数ペア:

[(1, 28971825), (3, 9657275), (5, 5794365), (15, 1931455), (17, 1704225), (25, 1158873), (31, 934575), (51, 568075), (75, 386291), (85, 340845), (93, 311525), (155, 186915), (255, 113615), (425, 68169), (465, 62305), (527, 54975), (733, 39525), (775, 37383), (1275, 22723), (1581, 18325), (2199, 13175), (2325, 12461), (2635, 10995), (3665, 7905)]