78929403

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{379}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 123740160

約数和(自身を除く): 44810757

約数列:

[1, 3, 7, 21, 47, 141, 211, 329, 379, 633, 987, 1137, 1477, 2653, 4431, 7959, 9917, 17813, 29751, 53439, 69419, 79969, 124691, 208257, 239907, 374073, 559783, 1679349, 3758543, 11275629, 26309801, 78929403]

約数ペア:

[(1, 78929403), (3, 26309801), (7, 11275629), (21, 3758543), (47, 1679349), (141, 559783), (211, 374073), (329, 239907), (379, 208257), (633, 124691), (987, 79969), (1137, 69419), (1477, 53439), (2653, 29751), (4431, 17813), (7959, 9917)]