15603921

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{10139}}^1$

素因数の和:10170

約数の個数: 20

約数和(自身を含む): 24538800

約数和(自身を除く): 8934879

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 10139, 30417, 91251, 192641, 273753, 577923, 821259, 1733769, 5201307, 15603921]

約数ペア:

[(1, 15603921), (3, 5201307), (9, 1733769), (19, 821259), (27, 577923), (57, 273753), (81, 192641), (171, 91251), (513, 30417), (1539, 10139)]