8971431

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{13781}}^1$

素因数の和:13822

約数の個数: 16

約数和(自身を含む): 14112768

約数和(自身を除く): 5141337

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 13781, 41343, 96467, 289401, 427211, 1281633, 2990477, 8971431]

約数ペア:

[(1, 8971431), (3, 2990477), (7, 1281633), (21, 427211), (31, 289401), (93, 96467), (217, 41343), (651, 13781)]