263723121

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{39227}}^1$

素因数の和:39322

約数の個数: 20

約数和(自身を含む): 398713392

約数和(自身を除く): 134990271

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 6723, 39227, 117681, 353043, 1059129, 3177387, 3255841, 9767523, 29302569, 87907707, 263723121]

約数ペア:

[(1, 263723121), (3, 87907707), (9, 29302569), (27, 9767523), (81, 3255841), (83, 3177387), (249, 1059129), (747, 353043), (2241, 117681), (6723, 39227)]