2019915225

素因数分解:

$3^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{24329}}^1$

素因数の和:24392

約数の個数: 60

約数和(自身を含む): 3832996860

約数和(自身を除く): 1813081635

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 81, 123, 135, 205, 225, 369, 405, 615, 675, 1025, 1107, 1845, 2025, 3075, 3321, 5535, 9225, 16605, 24329, 27675, 72987, 83025, 121645, 218961, 364935, 608225, 656883, 997489, 1094805, 1824675, 1970649, 2992467, 3284415, 4987445, 5474025, 8977401, 9853245, 14962335, 16422075, 24937225, 26932203, 44887005, 49266225, 74811675, 80796609, 134661015, 224435025, 403983045, 673305075, 2019915225]

約数ペア:

[(1, 2019915225), (3, 673305075), (5, 403983045), (9, 224435025), (15, 134661015), (25, 80796609), (27, 74811675), (41, 49266225), (45, 44887005), (75, 26932203), (81, 24937225), (123, 16422075), (135, 14962335), (205, 9853245), (225, 8977401), (369, 5474025), (405, 4987445), (615, 3284415), (675, 2992467), (1025, 1970649), (1107, 1824675), (1845, 1094805), (2025, 997489), (3075, 656883), (3321, 608225), (5535, 364935), (9225, 218961), (16605, 121645), (24329, 83025), (27675, 72987)]