28607625

素因数分解:

$3^2\times 5^3\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 52565760

約数和(自身を除く): 23958135

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 75, 125, 177, 225, 295, 375, 431, 531, 885, 1125, 1293, 1475, 2155, 2655, 3879, 4425, 6465, 7375, 10775, 13275, 19395, 22125, 25429, 32325, 53875, 66375, 76287, 96975, 127145, 161625, 228861, 381435, 484875, 635725, 1144305, 1907175, 3178625, 5721525, 9535875, 28607625]

約数ペア:

[(1, 28607625), (3, 9535875), (5, 5721525), (9, 3178625), (15, 1907175), (25, 1144305), (45, 635725), (59, 484875), (75, 381435), (125, 228861), (177, 161625), (225, 127145), (295, 96975), (375, 76287), (431, 66375), (531, 53875), (885, 32325), (1125, 25429), (1293, 22125), (1475, 19395), (2155, 13275), (2655, 10775), (3879, 7375), (4425, 6465)]