161778249

素因数分解:

$3^3\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{277}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 244106240

約数和(自身を除く): 82327991

約数列:

[1, 3, 9, 27, 97, 223, 277, 291, 669, 831, 873, 2007, 2493, 2619, 6021, 7479, 21631, 26869, 61771, 64893, 80607, 185313, 194679, 241821, 555939, 584037, 725463, 1667817, 5991787, 17975361, 53926083, 161778249]

約数ペア:

[(1, 161778249), (3, 53926083), (9, 17975361), (27, 5991787), (97, 1667817), (223, 725463), (277, 584037), (291, 555939), (669, 241821), (831, 194679), (873, 185313), (2007, 80607), (2493, 64893), (2619, 61771), (6021, 26869), (7479, 21631)]