121738981

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:342

約数の個数: 36

約数和(自身を含む): 156506724

約数和(自身を除く): 34767743

約数列:

[1, 7, 13, 49, 61, 91, 169, 241, 427, 637, 793, 1183, 1687, 2989, 3133, 5551, 8281, 10309, 11809, 14701, 21931, 38857, 40729, 72163, 102907, 153517, 191113, 285103, 505141, 720349, 1337791, 1995721, 2484469, 9364537, 17391283, 121738981]

約数ペア:

[(1, 121738981), (7, 17391283), (13, 9364537), (49, 2484469), (61, 1995721), (91, 1337791), (169, 720349), (241, 505141), (427, 285103), (637, 191113), (793, 153517), (1183, 102907), (1687, 72163), (2989, 40729), (3133, 38857), (5551, 21931), (8281, 14701), (10309, 11809)]