78387561

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:851

約数の個数: 64

約数和(自身を含む): 145244160

約数和(自身を除く): 66856599

約数列:

[1, 3, 7, 9, 17, 21, 27, 31, 51, 63, 93, 119, 153, 189, 217, 279, 357, 459, 527, 651, 787, 837, 1071, 1581, 1953, 2361, 3213, 3689, 4743, 5509, 5859, 7083, 11067, 13379, 14229, 16527, 21249, 24397, 33201, 40137, 49581, 73191, 93653, 99603, 120411, 148743, 170779, 219573, 280959, 361233, 414749, 512337, 658719, 842877, 1244247, 1537011, 2528631, 2903243, 3732741, 4611033, 8709729, 11198223, 26129187, 78387561]

約数ペア:

[(1, 78387561), (3, 26129187), (7, 11198223), (9, 8709729), (17, 4611033), (21, 3732741), (27, 2903243), (31, 2528631), (51, 1537011), (63, 1244247), (93, 842877), (119, 658719), (153, 512337), (189, 414749), (217, 361233), (279, 280959), (357, 219573), (459, 170779), (527, 148743), (651, 120411), (787, 99603), (837, 93653), (1071, 73191), (1581, 49581), (1953, 40137), (2361, 33201), (3213, 24397), (3689, 21249), (4743, 16527), (5509, 14229), (5859, 13379), (7083, 11067)]