12213321

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1777}}^1$

素因数の和:1888

約数の個数: 16

約数和(自身を含む): 17068800

約数和(自身を除く): 4855479

約数列:

[1, 3, 29, 79, 87, 237, 1777, 2291, 5331, 6873, 51533, 140383, 154599, 421149, 4071107, 12213321]

約数ペア:

[(1, 12213321), (3, 4071107), (29, 421149), (79, 154599), (87, 140383), (237, 51533), (1777, 6873), (2291, 5331)]