11287431

素因数分解:

$3^4\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:764

約数の個数: 20

約数和(自身を含む): 16952584

約数和(自身を除く): 5665153

約数列:

[1, 3, 9, 27, 81, 331, 421, 993, 1263, 2979, 3789, 8937, 11367, 26811, 34101, 139351, 418053, 1254159, 3762477, 11287431]

約数ペア:

[(1, 11287431), (3, 3762477), (9, 1254159), (27, 418053), (81, 139351), (331, 34101), (421, 26811), (993, 11367), (1263, 8937), (2979, 3789)]