426399795

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25679}}^1$

素因数の和:25737

約数の個数: 40

約数和(自身を含む): 783034560

約数和(自身を除く): 356634765

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 1107, 1845, 3321, 5535, 16605, 25679, 77037, 128395, 231111, 385185, 693333, 1052839, 1155555, 2079999, 3158517, 3466665, 5264195, 9475551, 10399995, 15792585, 28426653, 47377755, 85279959, 142133265, 426399795]

約数ペア:

[(1, 426399795), (3, 142133265), (5, 85279959), (9, 47377755), (15, 28426653), (27, 15792585), (41, 10399995), (45, 9475551), (81, 5264195), (123, 3466665), (135, 3158517), (205, 2079999), (369, 1155555), (405, 1052839), (615, 693333), (1107, 385185), (1845, 231111), (3321, 128395), (5535, 77037), (16605, 25679)]