81893903

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{14753}}^1$

素因数の和:14834

約数の個数: 16

約数和(自身を含む): 102451776

約数和(自身を除く): 20557873

約数列:

[1, 7, 13, 61, 91, 427, 793, 5551, 14753, 103271, 191789, 899933, 1342523, 6299531, 11699129, 81893903]

約数ペア:

[(1, 81893903), (7, 11699129), (13, 6299531), (61, 1342523), (91, 899933), (427, 191789), (793, 103271), (5551, 14753)]