12231261

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1303}}^1$

素因数の和:1465

約数の個数: 24

約数和(自身を含む): 20342400

約数和(自身を除く): 8111139

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1303, 1341, 3129, 3909, 9121, 9387, 11727, 27363, 82089, 194147, 582441, 1359029, 1747323, 4077087, 12231261]

約数ペア:

[(1, 12231261), (3, 4077087), (7, 1747323), (9, 1359029), (21, 582441), (63, 194147), (149, 82089), (447, 27363), (1043, 11727), (1303, 9387), (1341, 9121), (3129, 3909)]