12871131

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47147}}^1$

素因数の和:47170

約数の個数: 16

約数和(自身を含む): 21122304

約数和(自身を除く): 8251173

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 47147, 141441, 330029, 612911, 990087, 1838733, 4290377, 12871131]

約数ペア:

[(1, 12871131), (3, 4290377), (7, 1838733), (13, 990087), (21, 612911), (39, 330029), (91, 141441), (273, 47147)]