78278319

素因数分解:

$3^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2707}}^1$

素因数の和:2746

約数の個数: 48

約数和(自身を含む): 141942528

約数和(自身を除く): 63664209

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 243, 357, 459, 567, 1071, 1377, 1701, 2707, 3213, 4131, 8121, 9639, 18949, 24363, 28917, 46019, 56847, 73089, 138057, 170541, 219267, 322133, 414171, 511623, 657801, 966399, 1242513, 1534869, 2899197, 3727539, 4604607, 8697591, 11182617, 26092773, 78278319]

約数ペア:

[(1, 78278319), (3, 26092773), (7, 11182617), (9, 8697591), (17, 4604607), (21, 3727539), (27, 2899197), (51, 1534869), (63, 1242513), (81, 966399), (119, 657801), (153, 511623), (189, 414171), (243, 322133), (357, 219267), (459, 170541), (567, 138057), (1071, 73089), (1377, 56847), (1701, 46019), (2707, 28917), (3213, 24363), (4131, 18949), (8121, 9639)]