71811957

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{947}}^1$

素因数の和:1137

約数の個数: 32

約数和(自身を含む): 115034112

約数和(自身を除く): 43222155

約数列:

[1, 3, 7, 21, 23, 69, 157, 161, 471, 483, 947, 1099, 2841, 3297, 3611, 6629, 10833, 19887, 21781, 25277, 65343, 75831, 148679, 152467, 446037, 457401, 1040753, 3122259, 3419617, 10258851, 23937319, 71811957]

約数ペア:

[(1, 71811957), (3, 23937319), (7, 10258851), (21, 3419617), (23, 3122259), (69, 1040753), (157, 457401), (161, 446037), (471, 152467), (483, 148679), (947, 75831), (1099, 65343), (2841, 25277), (3297, 21781), (3611, 19887), (6629, 10833)]