15997107

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40093}}^1$

素因数の和:40122

約数の個数: 16

約数和(自身を含む): 25660160

約数和(自身を除く): 9663053

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 40093, 120279, 280651, 761767, 841953, 2285301, 5332369, 15997107]

約数ペア:

[(1, 15997107), (3, 5332369), (7, 2285301), (19, 841953), (21, 761767), (57, 280651), (133, 120279), (399, 40093)]