147978579

素因数分解:

$3^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{4177}}^1$

素因数の和:4435

約数の個数: 24

約数和(自身を含む): 230525328

約数和(自身を除く): 82546749

約数列:

[1, 3, 7, 21, 49, 147, 241, 723, 1687, 4177, 5061, 11809, 12531, 29239, 35427, 87717, 204673, 614019, 1006657, 3019971, 7046599, 21139797, 49326193, 147978579]

約数ペア:

[(1, 147978579), (3, 49326193), (7, 21139797), (21, 7046599), (49, 3019971), (147, 1006657), (241, 614019), (723, 204673), (1687, 87717), (4177, 35427), (5061, 29239), (11809, 12531)]