71262387

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 123282432

約数和(自身を除く): 52020045

約数列:

[1, 3, 7, 9, 21, 41, 47, 63, 123, 141, 287, 329, 369, 423, 587, 861, 987, 1761, 1927, 2583, 2961, 4109, 5283, 5781, 12327, 13489, 17343, 24067, 27589, 36981, 40467, 72201, 82767, 121401, 168469, 193123, 216603, 248301, 505407, 579369, 1131149, 1516221, 1738107, 3393447, 7918043, 10180341, 23754129, 71262387]

約数ペア:

[(1, 71262387), (3, 23754129), (7, 10180341), (9, 7918043), (21, 3393447), (41, 1738107), (47, 1516221), (63, 1131149), (123, 579369), (141, 505407), (287, 248301), (329, 216603), (369, 193123), (423, 168469), (587, 121401), (861, 82767), (987, 72201), (1761, 40467), (1927, 36981), (2583, 27589), (2961, 24067), (4109, 17343), (5283, 13489), (5781, 12327)]