131139519

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{41911}}^1$

素因数の和:42070

約数の個数: 16

約数和(自身を含む): 201177600

約数和(自身を除く): 70038081

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 41911, 125733, 293377, 880131, 6244739, 18734217, 43713173, 131139519]

約数ペア:

[(1, 131139519), (3, 43713173), (7, 18734217), (21, 6244739), (149, 880131), (447, 293377), (1043, 125733), (3129, 41911)]