28377945

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1709}}^1$

素因数の和:1767

約数の個数: 40

約数和(自身を含む): 52141320

約数和(自身を除く): 23763375

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 1107, 1709, 1845, 3321, 5127, 5535, 8545, 15381, 16605, 25635, 46143, 70069, 76905, 138429, 210207, 230715, 350345, 630621, 692145, 1051035, 1891863, 3153105, 5675589, 9459315, 28377945]

約数ペア:

[(1, 28377945), (3, 9459315), (5, 5675589), (9, 3153105), (15, 1891863), (27, 1051035), (41, 692145), (45, 630621), (81, 350345), (123, 230715), (135, 210207), (205, 138429), (369, 76905), (405, 70069), (615, 46143), (1107, 25635), (1709, 16605), (1845, 15381), (3321, 8545), (5127, 5535)]