22712739

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 36126720

約数和(自身を除く): 13413981

約数列:

[1, 3, 7, 21, 31, 93, 139, 217, 251, 417, 651, 753, 973, 1757, 2919, 4309, 5271, 7781, 12927, 23343, 30163, 34889, 54467, 90489, 104667, 163401, 244223, 732669, 1081559, 3244677, 7570913, 22712739]

約数ペア:

[(1, 22712739), (3, 7570913), (7, 3244677), (21, 1081559), (31, 732669), (93, 244223), (139, 163401), (217, 104667), (251, 90489), (417, 54467), (651, 34889), (753, 30163), (973, 23343), (1757, 12927), (2919, 7781), (4309, 5271)]