71783397

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{18679}}^1$

素因数の和:18753

約数の個数: 24

約数和(自身を含む): 120448640

約数和(自身を除く): 48665243

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 18679, 56037, 130753, 168111, 392259, 1139419, 1176777, 3418257, 7975933, 10254771, 23927799, 71783397]

約数ペア:

[(1, 71783397), (3, 23927799), (7, 10254771), (9, 7975933), (21, 3418257), (61, 1176777), (63, 1139419), (183, 392259), (427, 168111), (549, 130753), (1281, 56037), (3843, 18679)]