15520797

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 23269376

約数和(自身を除く): 7748579

約数列:

[1, 3, 9, 37, 111, 127, 333, 367, 381, 1101, 1143, 3303, 4699, 13579, 14097, 40737, 42291, 46609, 122211, 139827, 419481, 1724533, 5173599, 15520797]

約数ペア:

[(1, 15520797), (3, 5173599), (9, 1724533), (37, 419481), (111, 139827), (127, 122211), (333, 46609), (367, 42291), (381, 40737), (1101, 14097), (1143, 13579), (3303, 4699)]