221299065

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{378289}}^1$

素因数の和:378313

約数の個数: 24

約数和(自身を含む): 413092680

約数和(自身を除く): 191793615

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 378289, 1134867, 1891445, 3404601, 4917757, 5674335, 14753271, 17023005, 24588785, 44259813, 73766355, 221299065]

約数ペア:

[(1, 221299065), (3, 73766355), (5, 44259813), (9, 24588785), (13, 17023005), (15, 14753271), (39, 5674335), (45, 4917757), (65, 3404601), (117, 1891445), (195, 1134867), (585, 378289)]