42553125

素因数分解:

$3^2\times 5^5\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 82260360

約数和(自身を除く): 39707235

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 89, 125, 153, 225, 255, 267, 375, 425, 445, 625, 765, 801, 1125, 1275, 1335, 1513, 1875, 2125, 2225, 3125, 3825, 4005, 4539, 5625, 6375, 6675, 7565, 9375, 10625, 11125, 13617, 19125, 20025, 22695, 28125, 31875, 33375, 37825, 53125, 55625, 68085, 95625, 100125, 113475, 159375, 166875, 189125, 278125, 340425, 478125, 500625, 567375, 834375, 945625, 1702125, 2503125, 2836875, 4728125, 8510625, 14184375, 42553125]

約数ペア:

[(1, 42553125), (3, 14184375), (5, 8510625), (9, 4728125), (15, 2836875), (17, 2503125), (25, 1702125), (45, 945625), (51, 834375), (75, 567375), (85, 500625), (89, 478125), (125, 340425), (153, 278125), (225, 189125), (255, 166875), (267, 159375), (375, 113475), (425, 100125), (445, 95625), (625, 68085), (765, 55625), (801, 53125), (1125, 37825), (1275, 33375), (1335, 31875), (1513, 28125), (1875, 22695), (2125, 20025), (2225, 19125), (3125, 13617), (3825, 11125), (4005, 10625), (4539, 9375), (5625, 7565), (6375, 6675)]