51721893

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1223}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 77395968

約数和(自身を除く): 25674075

約数列:

[1, 3, 9, 37, 111, 127, 333, 381, 1143, 1223, 3669, 4699, 11007, 14097, 42291, 45251, 135753, 155321, 407259, 465963, 1397889, 5746877, 17240631, 51721893]

約数ペア:

[(1, 51721893), (3, 17240631), (9, 5746877), (37, 1397889), (111, 465963), (127, 407259), (333, 155321), (381, 135753), (1143, 45251), (1223, 42291), (3669, 14097), (4699, 11007)]