15728139

素因数分解:

$3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{593}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 26069472

約数和(自身を除く): 10341333

約数列:

[1, 3, 7, 9, 21, 63, 421, 593, 1263, 1779, 2947, 3789, 4151, 5337, 8841, 12453, 26523, 37359, 249653, 748959, 1747571, 2246877, 5242713, 15728139]

約数ペア:

[(1, 15728139), (3, 5242713), (7, 2246877), (9, 1747571), (21, 748959), (63, 249653), (421, 37359), (593, 26523), (1263, 12453), (1779, 8841), (2947, 5337), (3789, 4151)]