51967251

素因数分解:

$3^5\times 7^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 90015744

約数和(自身を除く): 38048493

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 137, 189, 223, 243, 411, 567, 669, 959, 1233, 1561, 1701, 2007, 2877, 3699, 4683, 6021, 8631, 11097, 14049, 18063, 25893, 30551, 33291, 42147, 54189, 77679, 91653, 126441, 213857, 233037, 274959, 379323, 641571, 824877, 1924713, 2474631, 5774139, 7423893, 17322417, 51967251]

約数ペア:

[(1, 51967251), (3, 17322417), (7, 7423893), (9, 5774139), (21, 2474631), (27, 1924713), (63, 824877), (81, 641571), (137, 379323), (189, 274959), (223, 233037), (243, 213857), (411, 126441), (567, 91653), (669, 77679), (959, 54189), (1233, 42147), (1561, 33291), (1701, 30551), (2007, 25893), (2877, 18063), (3699, 14049), (4683, 11097), (6021, 8631)]