156949407

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{8689}}^1$

素因数の和:8924

約数の個数: 20

約数和(自身を含む): 235533760

約数和(自身を除く): 78584353

約数列:

[1, 3, 9, 27, 81, 223, 669, 2007, 6021, 8689, 18063, 26067, 78201, 234603, 703809, 1937647, 5812941, 17438823, 52316469, 156949407]

約数ペア:

[(1, 156949407), (3, 52316469), (9, 17438823), (27, 5812941), (81, 1937647), (223, 703809), (669, 234603), (2007, 78201), (6021, 26067), (8689, 18063)]