1915661139

素因数分解:

$3^1\times 7^1\times {\mathrm{11197}}^1\times {\mathrm{8147}}^1$

素因数の和:19354

約数の個数: 16

約数和(自身を含む): 2919721728

約数和(自身を除く): 1004060589

約数列:

[1, 3, 7, 21, 8147, 11197, 24441, 33591, 57029, 78379, 171087, 235137, 91221959, 273665877, 638553713, 1915661139]

約数ペア:

[(1, 1915661139), (3, 638553713), (7, 273665877), (21, 91221959), (8147, 235137), (11197, 171087), (24441, 78379), (33591, 57029)]