80219919

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1483}}^1$

素因数の和:1591

約数の個数: 32

約数和(自身を含む): 122993920

約数和(自身を除く): 42774001

約数列:

[1, 3, 13, 19, 39, 57, 73, 219, 247, 741, 949, 1387, 1483, 2847, 4161, 4449, 18031, 19279, 28177, 54093, 57837, 84531, 108259, 324777, 366301, 1098903, 1407367, 2056921, 4222101, 6170763, 26739973, 80219919]

約数ペア:

[(1, 80219919), (3, 26739973), (13, 6170763), (19, 4222101), (39, 2056921), (57, 1407367), (73, 1098903), (219, 366301), (247, 324777), (741, 108259), (949, 84531), (1387, 57837), (1483, 54093), (2847, 28177), (4161, 19279), (4449, 18031)]