42738921

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{6679}}^1$

素因数の和:6770

約数の個数: 20

約数和(自身を含む): 64662400

約数和(自身を除く): 21923479

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 6679, 20037, 60111, 180333, 527641, 540999, 1582923, 4748769, 14246307, 42738921]

約数ペア:

[(1, 42738921), (3, 14246307), (9, 4748769), (27, 1582923), (79, 540999), (81, 527641), (237, 180333), (711, 60111), (2133, 20037), (6399, 6679)]