1290939

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:514

約数の個数: 16

約数和(自身を含む): 1881600

約数和(自身を除く): 590661

約数列:

[1, 3, 13, 39, 79, 237, 419, 1027, 1257, 3081, 5447, 16341, 33101, 99303, 430313, 1290939]

約数ペア:

[(1, 1290939), (3, 430313), (13, 99303), (39, 33101), (79, 16341), (237, 5447), (419, 3081), (1027, 1257)]