26551287

素因数分解:

$3^3\times 7^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 47616000

約数和(自身を除く): 21064713

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 61, 63, 141, 147, 183, 189, 329, 343, 423, 427, 441, 549, 987, 1029, 1269, 1281, 1323, 1647, 2303, 2867, 2961, 2989, 3087, 3843, 6909, 8601, 8883, 8967, 9261, 11529, 16121, 20069, 20727, 20923, 25803, 26901, 48363, 60207, 62181, 62769, 77409, 80703, 140483, 145089, 180621, 188307, 421449, 435267, 541863, 564921, 983381, 1264347, 2950143, 3793041, 8850429, 26551287]

約数ペア:

[(1, 26551287), (3, 8850429), (7, 3793041), (9, 2950143), (21, 1264347), (27, 983381), (47, 564921), (49, 541863), (61, 435267), (63, 421449), (141, 188307), (147, 180621), (183, 145089), (189, 140483), (329, 80703), (343, 77409), (423, 62769), (427, 62181), (441, 60207), (549, 48363), (987, 26901), (1029, 25803), (1269, 20923), (1281, 20727), (1323, 20069), (1647, 16121), (2303, 11529), (2867, 9261), (2961, 8967), (2989, 8883), (3087, 8601), (3843, 6909)]