66885021

素因数分解:

$3^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 121858560

約数和(自身を除く): 54973539

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 243, 257, 357, 459, 567, 729, 771, 1071, 1377, 1701, 1799, 2187, 2313, 3213, 4131, 4369, 5103, 5397, 6939, 9639, 12393, 13107, 15309, 16191, 20817, 28917, 30583, 37179, 39321, 48573, 62451, 86751, 91749, 117963, 145719, 187353, 260253, 275247, 353889, 437157, 562059, 825741, 1061667, 1311471, 2477223, 3185001, 3934413, 7431669, 9555003, 22295007, 66885021]

約数ペア:

[(1, 66885021), (3, 22295007), (7, 9555003), (9, 7431669), (17, 3934413), (21, 3185001), (27, 2477223), (51, 1311471), (63, 1061667), (81, 825741), (119, 562059), (153, 437157), (189, 353889), (243, 275247), (257, 260253), (357, 187353), (459, 145719), (567, 117963), (729, 91749), (771, 86751), (1071, 62451), (1377, 48573), (1701, 39321), (1799, 37179), (2187, 30583), (2313, 28917), (3213, 20817), (4131, 16191), (4369, 15309), (5103, 13107), (5397, 12393), (6939, 9639)]