493167987

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{971}}^1\times {\mathrm{1447}}^1$

素因数の和:2440

約数の個数: 32

約数和(自身を含む): 788175360

約数和(自身を除く): 295007373

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 971, 1447, 2913, 4341, 8739, 12623, 13023, 18811, 26217, 37869, 39069, 56433, 113607, 169299, 340821, 507897, 1405037, 4215111, 12645333, 18265481, 37935999, 54796443, 164389329, 493167987]

約数ペア:

[(1, 493167987), (3, 164389329), (9, 54796443), (13, 37935999), (27, 18265481), (39, 12645333), (117, 4215111), (351, 1405037), (971, 507897), (1447, 340821), (2913, 169299), (4341, 113607), (8739, 56433), (12623, 39069), (13023, 37869), (18811, 26217)]