291233217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{367}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 430295040

約数和(自身を除く): 139061823

約数列:

[1, 3, 11, 33, 139, 173, 367, 417, 519, 1101, 1529, 1903, 4037, 4587, 5709, 12111, 24047, 51013, 63491, 72141, 153039, 190473, 264517, 561143, 698401, 793551, 1683429, 2095203, 8825249, 26475747, 97077739, 291233217]

約数ペア:

[(1, 291233217), (3, 97077739), (11, 26475747), (33, 8825249), (139, 2095203), (173, 1683429), (367, 793551), (417, 698401), (519, 561143), (1101, 264517), (1529, 190473), (1903, 153039), (4037, 72141), (4587, 63491), (5709, 51013), (12111, 24047)]