28132875

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1471}}^1$

素因数の和:1509

約数の個数: 48

約数和(自身を含む): 53733888

約数和(自身を除く): 25601013

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 765, 1125, 1275, 1471, 2125, 3825, 4413, 6375, 7355, 13239, 19125, 22065, 25007, 36775, 66195, 75021, 110325, 125035, 183875, 225063, 330975, 375105, 551625, 625175, 1125315, 1654875, 1875525, 3125875, 5626575, 9377625, 28132875]

約数ペア:

[(1, 28132875), (3, 9377625), (5, 5626575), (9, 3125875), (15, 1875525), (17, 1654875), (25, 1125315), (45, 625175), (51, 551625), (75, 375105), (85, 330975), (125, 225063), (153, 183875), (225, 125035), (255, 110325), (375, 75021), (425, 66195), (765, 36775), (1125, 25007), (1275, 22065), (1471, 19125), (2125, 13239), (3825, 7355), (4413, 6375)]