29940921

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{4679}}^1$

素因数の和:4770

約数の個数: 20

約数和(自身を含む): 45302400

約数和(自身を除く): 15361479

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 4679, 6399, 14037, 42111, 126333, 369641, 378999, 1108923, 3326769, 9980307, 29940921]

約数ペア:

[(1, 29940921), (3, 9980307), (9, 3326769), (27, 1108923), (79, 378999), (81, 369641), (237, 126333), (711, 42111), (2133, 14037), (4679, 6399)]