2538855

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 5031936

約数和(自身を除く): 2493081

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 165, 207, 223, 253, 345, 495, 669, 759, 1035, 1115, 1265, 2007, 2277, 2453, 3345, 3795, 5129, 7359, 10035, 11385, 12265, 15387, 22077, 25645, 36795, 46161, 56419, 76935, 110385, 169257, 230805, 282095, 507771, 846285, 2538855]

約数ペア:

[(1, 2538855), (3, 846285), (5, 507771), (9, 282095), (11, 230805), (15, 169257), (23, 110385), (33, 76935), (45, 56419), (55, 46161), (69, 36795), (99, 25645), (115, 22077), (165, 15387), (207, 12265), (223, 11385), (253, 10035), (345, 7359), (495, 5129), (669, 3795), (759, 3345), (1035, 2453), (1115, 2277), (1265, 2007)]