156728457

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{60257}}^1$

素因数の和:60297

約数の個数: 18

約数和(自身を含む): 240489678

約数和(自身を除く): 83761221

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 60257, 180771, 542313, 1024369, 3073107, 9219321, 17414273, 52242819, 156728457]

約数ペア:

[(1, 156728457), (3, 52242819), (9, 17414273), (17, 9219321), (51, 3073107), (153, 1024369), (289, 542313), (867, 180771), (2601, 60257)]