2019901221

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{9337}}^1$

素因数の和:9442

約数の個数: 36

約数和(自身を含む): 3217183788

約数和(自身を除く): 1197282567

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 1849, 5031, 5547, 9337, 16641, 24037, 28011, 72111, 84033, 121381, 216333, 364143, 401491, 1092429, 1204473, 3613419, 5219383, 15658149, 17264113, 46974447, 51792339, 155377017, 224433469, 673300407, 2019901221]

約数ペア:

[(1, 2019901221), (3, 673300407), (9, 224433469), (13, 155377017), (39, 51792339), (43, 46974447), (117, 17264113), (129, 15658149), (387, 5219383), (559, 3613419), (1677, 1204473), (1849, 1092429), (5031, 401491), (5547, 364143), (9337, 216333), (16641, 121381), (24037, 84033), (28011, 72111)]