64491903

素因数分解:

$3^3\times 7^1\times {\mathrm{341227}}^1$

素因数の和:341243

約数の個数: 16

約数和(自身を含む): 109192960

約数和(自身を除く): 44701057

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 341227, 1023681, 2388589, 3071043, 7165767, 9213129, 21497301, 64491903]

約数ペア:

[(1, 64491903), (3, 21497301), (7, 9213129), (9, 7165767), (21, 3071043), (27, 2388589), (63, 1023681), (189, 341227)]