1378839

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 2359296

約数和(自身を除く): 980457

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 127, 141, 231, 329, 381, 517, 889, 987, 1397, 1551, 2667, 3619, 4191, 5969, 9779, 10857, 17907, 29337, 41783, 65659, 125349, 196977, 459613, 1378839]

約数ペア:

[(1, 1378839), (3, 459613), (7, 196977), (11, 125349), (21, 65659), (33, 41783), (47, 29337), (77, 17907), (127, 10857), (141, 9779), (231, 5969), (329, 4191), (381, 3619), (517, 2667), (889, 1551), (987, 1397)]