28307625

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 51667200

約数和(自身を除く): 23359575

約数列:

[1, 3, 5, 15, 19, 25, 29, 57, 75, 87, 95, 125, 137, 145, 285, 375, 411, 435, 475, 551, 685, 725, 1425, 1653, 2055, 2175, 2375, 2603, 2755, 3425, 3625, 3973, 7125, 7809, 8265, 10275, 10875, 11919, 13015, 13775, 17125, 19865, 39045, 41325, 51375, 59595, 65075, 68875, 75487, 99325, 195225, 206625, 226461, 297975, 325375, 377435, 496625, 976125, 1132305, 1489875, 1887175, 5661525, 9435875, 28307625]

約数ペア:

[(1, 28307625), (3, 9435875), (5, 5661525), (15, 1887175), (19, 1489875), (25, 1132305), (29, 976125), (57, 496625), (75, 377435), (87, 325375), (95, 297975), (125, 226461), (137, 206625), (145, 195225), (285, 99325), (375, 75487), (411, 68875), (435, 65075), (475, 59595), (551, 51375), (685, 41325), (725, 39045), (1425, 19865), (1653, 17125), (2055, 13775), (2175, 13015), (2375, 11919), (2603, 10875), (2755, 10275), (3425, 8265), (3625, 7809), (3973, 7125)]