1691569251

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{264349}}^1$

素因数の和:264440

約数の個数: 20

約数和(自身を含む): 2558908000

約数和(自身を除く): 867338749

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 264349, 793047, 2379141, 7137423, 20883571, 21412269, 62650713, 187952139, 563856417, 1691569251]

約数ペア:

[(1, 1691569251), (3, 563856417), (9, 187952139), (27, 62650713), (79, 21412269), (81, 20883571), (237, 7137423), (711, 2379141), (2133, 793047), (6399, 264349)]