123403707

素因数分解:

$3^2\times 7^2\times {\mathrm{461}}^1\times {\mathrm{607}}^1$

素因数の和:1088

約数の個数: 36

約数和(自身を含む): 208143936

約数和(自身を除く): 84740229

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 461, 607, 1383, 1821, 3227, 4149, 4249, 5463, 9681, 12747, 22589, 29043, 29743, 38241, 67767, 89229, 203301, 267687, 279827, 839481, 1958789, 2518443, 5876367, 13711523, 17629101, 41134569, 123403707]

約数ペア:

[(1, 123403707), (3, 41134569), (7, 17629101), (9, 13711523), (21, 5876367), (49, 2518443), (63, 1958789), (147, 839481), (441, 279827), (461, 267687), (607, 203301), (1383, 89229), (1821, 67767), (3227, 38241), (4149, 29743), (4249, 29043), (5463, 22589), (9681, 12747)]