17917731

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4139}}^1$

素因数の和:4195

約数の個数: 24

約数和(自身を含む): 28632240

約数和(自身を除く): 10714509

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4139, 4329, 12417, 37251, 53807, 153143, 161421, 459429, 484263, 1378287, 1990859, 5972577, 17917731]

約数ペア:

[(1, 17917731), (3, 5972577), (9, 1990859), (13, 1378287), (37, 484263), (39, 459429), (111, 161421), (117, 153143), (333, 53807), (481, 37251), (1443, 12417), (4139, 4329)]