31288125

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:112

約数の個数: 80

約数和(自身を含む): 59830848

約数和(自身を除く): 28542723

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 41, 55, 75, 111, 123, 125, 165, 185, 205, 275, 375, 407, 451, 555, 615, 625, 825, 925, 1025, 1221, 1353, 1375, 1517, 1875, 2035, 2255, 2775, 3075, 4125, 4551, 4625, 5125, 6105, 6765, 6875, 7585, 10175, 11275, 13875, 15375, 16687, 20625, 22755, 23125, 25625, 30525, 33825, 37925, 50061, 50875, 56375, 69375, 76875, 83435, 113775, 152625, 169125, 189625, 250305, 254375, 281875, 417175, 568875, 763125, 845625, 948125, 1251525, 2085875, 2844375, 6257625, 10429375, 31288125]

約数ペア:

[(1, 31288125), (3, 10429375), (5, 6257625), (11, 2844375), (15, 2085875), (25, 1251525), (33, 948125), (37, 845625), (41, 763125), (55, 568875), (75, 417175), (111, 281875), (123, 254375), (125, 250305), (165, 189625), (185, 169125), (205, 152625), (275, 113775), (375, 83435), (407, 76875), (451, 69375), (555, 56375), (615, 50875), (625, 50061), (825, 37925), (925, 33825), (1025, 30525), (1221, 25625), (1353, 23125), (1375, 22755), (1517, 20625), (1875, 16687), (2035, 15375), (2255, 13875), (2775, 11275), (3075, 10175), (4125, 7585), (4551, 6875), (4625, 6765), (5125, 6105)]