1278369

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:541

約数の個数: 16

約数和(自身を含む): 1915200

約数和(自身を除く): 636831

約数列:

[1, 3, 9, 27, 113, 339, 419, 1017, 1257, 3051, 3771, 11313, 47347, 142041, 426123, 1278369]

約数ペア:

[(1, 1278369), (3, 426123), (9, 142041), (27, 47347), (113, 11313), (339, 3771), (419, 3051), (1017, 1257)]