30891321

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{60217}}^1$

素因数の和:60245

約数の個数: 16

約数和(自身を含む): 48174400

約数和(自身を除く): 17283079

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 60217, 180651, 541953, 1144123, 1625859, 3432369, 10297107, 30891321]

約数ペア:

[(1, 30891321), (3, 10297107), (9, 3432369), (19, 1625859), (27, 1144123), (57, 541953), (171, 180651), (513, 60217)]