260054907

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 418471200

約数和(自身を除く): 158416293

約数列:

[1, 3, 7, 21, 37, 49, 111, 137, 147, 259, 349, 411, 777, 959, 1047, 1813, 2443, 2877, 5069, 5439, 6713, 7329, 12913, 15207, 17101, 20139, 35483, 38739, 47813, 51303, 90391, 106449, 143439, 248381, 271173, 334691, 632737, 745143, 1004073, 1769081, 1898211, 2342837, 5307243, 7028511, 12383567, 37150701, 86684969, 260054907]

約数ペア:

[(1, 260054907), (3, 86684969), (7, 37150701), (21, 12383567), (37, 7028511), (49, 5307243), (111, 2342837), (137, 1898211), (147, 1769081), (259, 1004073), (349, 745143), (411, 632737), (777, 334691), (959, 271173), (1047, 248381), (1813, 143439), (2443, 106449), (2877, 90391), (5069, 51303), (5439, 47813), (6713, 38739), (7329, 35483), (12913, 20139), (15207, 17101)]