17890821

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{50971}}^1$

素因数の和:50993

約数の個数: 16

約数和(自身を含む): 28544320

約数和(自身を除く): 10653499

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 50971, 152913, 458739, 662623, 1376217, 1987869, 5963607, 17890821]

約数ペア:

[(1, 17890821), (3, 5963607), (9, 1987869), (13, 1376217), (27, 662623), (39, 458739), (117, 152913), (351, 50971)]