51251277

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 93339648

約数和(自身を除く): 42088371

約数列:

[1, 3, 7, 11, 17, 21, 31, 33, 51, 77, 93, 119, 187, 217, 231, 341, 357, 421, 527, 561, 651, 1023, 1263, 1309, 1581, 2387, 2947, 3689, 3927, 4631, 5797, 7157, 7161, 8841, 11067, 13051, 13893, 17391, 21471, 32417, 39153, 40579, 50099, 78727, 91357, 97251, 121737, 143561, 150297, 221867, 236181, 274071, 430683, 551089, 665601, 1004927, 1553069, 1653267, 2440537, 3014781, 4659207, 7321611, 17083759, 51251277]

約数ペア:

[(1, 51251277), (3, 17083759), (7, 7321611), (11, 4659207), (17, 3014781), (21, 2440537), (31, 1653267), (33, 1553069), (51, 1004927), (77, 665601), (93, 551089), (119, 430683), (187, 274071), (217, 236181), (231, 221867), (341, 150297), (357, 143561), (421, 121737), (527, 97251), (561, 91357), (651, 78727), (1023, 50099), (1263, 40579), (1309, 39153), (1581, 32417), (2387, 21471), (2947, 17391), (3689, 13893), (3927, 13051), (4631, 11067), (5797, 8841), (7157, 7161)]