71904861

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2777}}^1$

素因数の和:2930

約数の個数: 32

約数和(自身を含む): 122676480

約数和(自身を除く): 50771619

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 959, 1233, 2777, 2877, 3699, 8331, 8631, 19439, 24993, 25893, 58317, 74979, 174951, 380449, 524853, 1141347, 2663143, 3424041, 7989429, 10272123, 23968287, 71904861]

約数ペア:

[(1, 71904861), (3, 23968287), (7, 10272123), (9, 7989429), (21, 3424041), (27, 2663143), (63, 1141347), (137, 524853), (189, 380449), (411, 174951), (959, 74979), (1233, 58317), (2777, 25893), (2877, 24993), (3699, 19439), (8331, 8631)]