172011903

素因数分解:

$3^1\times 7^2\times {\mathrm{409}}^1\times {\mathrm{2861}}^1$

素因数の和:3287

約数の個数: 24

約数和(自身を含む): 267539760

約数和(自身を除く): 95527857

約数列:

[1, 3, 7, 21, 49, 147, 409, 1227, 2861, 2863, 8583, 8589, 20027, 20041, 60081, 60123, 140189, 420567, 1170149, 3510447, 8191043, 24573129, 57337301, 172011903]

約数ペア:

[(1, 172011903), (3, 57337301), (7, 24573129), (21, 8191043), (49, 3510447), (147, 1170149), (409, 420567), (1227, 140189), (2861, 60123), (2863, 60081), (8583, 20041), (8589, 20027)]