1405221

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 2001600

約数和(自身を除く): 596379

約数列:

[1, 3, 19, 57, 89, 267, 277, 831, 1691, 5073, 5263, 15789, 24653, 73959, 468407, 1405221]

約数ペア:

[(1, 1405221), (3, 468407), (19, 73959), (57, 24653), (89, 15789), (267, 5263), (277, 5073), (831, 1691)]