9971199

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{971}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 16578432

約数和(自身を除く): 6607233

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 971, 1141, 1467, 2913, 3423, 6797, 8739, 10269, 20391, 61173, 158273, 474819, 1107911, 1424457, 3323733, 9971199]

約数ペア:

[(1, 9971199), (3, 3323733), (7, 1424457), (9, 1107911), (21, 474819), (63, 158273), (163, 61173), (489, 20391), (971, 10269), (1141, 8739), (1467, 6797), (2913, 3423)]