12393927

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 22684480

約数和(自身を除く): 10290553

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 91, 111, 117, 259, 273, 333, 409, 481, 777, 819, 1227, 1443, 2331, 2863, 3367, 3681, 4329, 5317, 8589, 10101, 15133, 15951, 25767, 30303, 37219, 45399, 47853, 105931, 111657, 136197, 196729, 317793, 334971, 590187, 953379, 1377103, 1770561, 4131309, 12393927]

約数ペア:

[(1, 12393927), (3, 4131309), (7, 1770561), (9, 1377103), (13, 953379), (21, 590187), (37, 334971), (39, 317793), (63, 196729), (91, 136197), (111, 111657), (117, 105931), (259, 47853), (273, 45399), (333, 37219), (409, 30303), (481, 25767), (777, 15951), (819, 15133), (1227, 10101), (1443, 8589), (2331, 5317), (2863, 4329), (3367, 3681)]