427660947

素因数分解:

$3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{17911}}^1$

素因数の和:18303

約数の個数: 24

約数和(自身を含む): 707882240

約数和(自身を除く): 280221293

約数列:

[1, 3, 7, 9, 21, 63, 379, 1137, 2653, 3411, 7959, 17911, 23877, 53733, 125377, 161199, 376131, 1128393, 6788269, 20364807, 47517883, 61094421, 142553649, 427660947]

約数ペア:

[(1, 427660947), (3, 142553649), (7, 61094421), (9, 47517883), (21, 20364807), (63, 6788269), (379, 1128393), (1137, 376131), (2653, 161199), (3411, 125377), (7959, 53733), (17911, 23877)]