221697897

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{38711}}^1$

素因数の和:38820

約数の個数: 16

約数和(自身を含む): 312173568

約数和(自身を除く): 90475671

約数列:

[1, 3, 23, 69, 83, 249, 1909, 5727, 38711, 116133, 890353, 2671059, 3213013, 9639039, 73899299, 221697897]

約数ペア:

[(1, 221697897), (3, 73899299), (23, 9639039), (69, 3213013), (83, 2671059), (249, 890353), (1909, 116133), (5727, 38711)]