28117245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7589}}^1$

素因数の和:7629

約数の個数: 32

約数和(自身を含む): 51004800

約数和(自身を除く): 22887555

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 7589, 22767, 37945, 98657, 113835, 144191, 295971, 432573, 493285, 720955, 1479855, 1874483, 2162865, 5623449, 9372415, 28117245]

約数ペア:

[(1, 28117245), (3, 9372415), (5, 5623449), (13, 2162865), (15, 1874483), (19, 1479855), (39, 720955), (57, 493285), (65, 432573), (95, 295971), (195, 144191), (247, 113835), (285, 98657), (741, 37945), (1235, 22767), (3705, 7589)]