81135474

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 198567936

約数和(自身を除く): 117432462

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 49, 53, 82, 98, 106, 123, 127, 147, 159, 246, 254, 287, 294, 318, 371, 381, 574, 742, 762, 861, 889, 1113, 1722, 1778, 2009, 2173, 2226, 2597, 2667, 4018, 4346, 5194, 5207, 5334, 6027, 6223, 6519, 6731, 7791, 10414, 12054, 12446, 13038, 13462, 15211, 15582, 15621, 18669, 20193, 30422, 31242, 36449, 37338, 40386, 45633, 47117, 72898, 91266, 94234, 106477, 109347, 141351, 212954, 218694, 255143, 275971, 282702, 319431, 329819, 510286, 551942, 638862, 659638, 765429, 827913, 989457, 1530858, 1655826, 1931797, 1978914, 3863594, 5795391, 11590782, 13522579, 27045158, 40567737, 81135474]

約数ペア:

[(1, 81135474), (2, 40567737), (3, 27045158), (6, 13522579), (7, 11590782), (14, 5795391), (21, 3863594), (41, 1978914), (42, 1931797), (49, 1655826), (53, 1530858), (82, 989457), (98, 827913), (106, 765429), (123, 659638), (127, 638862), (147, 551942), (159, 510286), (246, 329819), (254, 319431), (287, 282702), (294, 275971), (318, 255143), (371, 218694), (381, 212954), (574, 141351), (742, 109347), (762, 106477), (861, 94234), (889, 91266), (1113, 72898), (1722, 47117), (1778, 45633), (2009, 40386), (2173, 37338), (2226, 36449), (2597, 31242), (2667, 30422), (4018, 20193), (4346, 18669), (5194, 15621), (5207, 15582), (5334, 15211), (6027, 13462), (6223, 13038), (6519, 12446), (6731, 12054), (7791, 10414)]