3987249

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1049}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 6115200

約数和(自身を除く): 2127951

約数列:

[1, 3, 7, 21, 181, 543, 1049, 1267, 3147, 3801, 7343, 22029, 189869, 569607, 1329083, 3987249]

約数ペア:

[(1, 3987249), (3, 1329083), (7, 569607), (21, 189869), (181, 22029), (543, 7343), (1049, 3801), (1267, 3147)]