78270381

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:184

約数の個数: 80

約数和(自身を含む): 142117888

約数和(自身を除く): 63847507

約数列:

[1, 3, 7, 9, 21, 27, 31, 61, 63, 73, 81, 93, 183, 189, 217, 219, 279, 427, 511, 549, 567, 651, 657, 837, 1281, 1533, 1647, 1891, 1953, 1971, 2263, 2511, 3843, 4453, 4599, 4941, 5673, 5859, 5913, 6789, 11529, 13237, 13359, 13797, 15841, 17019, 17577, 20367, 31171, 34587, 39711, 40077, 41391, 47523, 51057, 61101, 93513, 119133, 120231, 138043, 142569, 153171, 183303, 280539, 357399, 360693, 414129, 427707, 841617, 966301, 1072197, 1242387, 1283121, 2524851, 2898903, 3727161, 8696709, 11181483, 26090127, 78270381]

約数ペア:

[(1, 78270381), (3, 26090127), (7, 11181483), (9, 8696709), (21, 3727161), (27, 2898903), (31, 2524851), (61, 1283121), (63, 1242387), (73, 1072197), (81, 966301), (93, 841617), (183, 427707), (189, 414129), (217, 360693), (219, 357399), (279, 280539), (427, 183303), (511, 153171), (549, 142569), (567, 138043), (651, 120231), (657, 119133), (837, 93513), (1281, 61101), (1533, 51057), (1647, 47523), (1891, 41391), (1953, 40077), (1971, 39711), (2263, 34587), (2511, 31171), (3843, 20367), (4453, 17577), (4599, 17019), (4941, 15841), (5673, 13797), (5859, 13359), (5913, 13237), (6789, 11529)]