398151

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 642096

約数和(自身を除く): 243945

約数列:

[1, 3, 9, 13, 39, 41, 83, 117, 123, 249, 369, 533, 747, 1079, 1599, 3237, 3403, 4797, 9711, 10209, 30627, 44239, 132717, 398151]

約数ペア:

[(1, 398151), (3, 132717), (9, 44239), (13, 30627), (39, 10209), (41, 9711), (83, 4797), (117, 3403), (123, 3237), (249, 1599), (369, 1079), (533, 747)]