1311795

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 40

約数和(自身を含む): 2439360

約数和(自身を除く): 1127565

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 79, 81, 123, 135, 205, 237, 369, 395, 405, 615, 711, 1107, 1185, 1845, 2133, 3239, 3321, 3555, 5535, 6399, 9717, 10665, 16195, 16605, 29151, 31995, 48585, 87453, 145755, 262359, 437265, 1311795]

約数ペア:

[(1, 1311795), (3, 437265), (5, 262359), (9, 145755), (15, 87453), (27, 48585), (41, 31995), (45, 29151), (79, 16605), (81, 16195), (123, 10665), (135, 9717), (205, 6399), (237, 5535), (369, 3555), (395, 3321), (405, 3239), (615, 2133), (711, 1845), (1107, 1185)]