331379139

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{2897}}^1$

素因数の和:3339

約数の個数: 32

約数和(自身を含む): 545287680

約数和(自身を除く): 213908541

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 419, 1257, 2897, 2933, 5447, 8691, 8799, 16341, 20279, 37661, 38129, 60837, 112983, 114387, 263627, 790881, 1213843, 3641529, 8496901, 15779959, 25490703, 47339877, 110459713, 331379139]

約数ペア:

[(1, 331379139), (3, 110459713), (7, 47339877), (13, 25490703), (21, 15779959), (39, 8496901), (91, 3641529), (273, 1213843), (419, 790881), (1257, 263627), (2897, 114387), (2933, 112983), (5447, 60837), (8691, 38129), (8799, 37661), (16341, 20279)]