2638179

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 4138992

約数和(自身を除く): 1500813

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 401, 731, 1203, 2193, 3609, 6579, 6817, 17243, 20451, 51729, 61353, 155187, 293131, 879393, 2638179]

約数ペア:

[(1, 2638179), (3, 879393), (9, 293131), (17, 155187), (43, 61353), (51, 51729), (129, 20451), (153, 17243), (387, 6817), (401, 6579), (731, 3609), (1203, 2193)]