15382221

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 20953728

約数和(自身を除く): 5571507

約数列:

[1, 3, 71, 213, 257, 281, 771, 843, 18247, 19951, 54741, 59853, 72217, 216651, 5127407, 15382221]

約数ペア:

[(1, 15382221), (3, 5127407), (71, 216651), (213, 72217), (257, 59853), (281, 54741), (771, 19951), (843, 18247)]