31438977

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 45957120

約数和(自身を除く): 14518143

約数列:

[1, 3, 19, 43, 57, 101, 127, 129, 303, 381, 817, 1919, 2413, 2451, 4343, 5461, 5757, 7239, 12827, 13029, 16383, 38481, 82517, 103759, 243713, 247551, 311277, 551561, 731139, 1654683, 10479659, 31438977]

約数ペア:

[(1, 31438977), (3, 10479659), (19, 1654683), (43, 731139), (57, 551561), (101, 311277), (127, 247551), (129, 243713), (303, 103759), (381, 82517), (817, 38481), (1919, 16383), (2413, 13029), (2451, 12827), (4343, 7239), (5461, 5757)]