12960261

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{3989}}^1$

素因数の和:4033

約数の個数: 18

約数和(自身を含む): 19762470

約数和(自身を除く): 6802209

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 3989, 11967, 35901, 75791, 227373, 682119, 1440029, 4320087, 12960261]

約数ペア:

[(1, 12960261), (3, 4320087), (9, 1440029), (19, 682119), (57, 227373), (171, 75791), (361, 35901), (1083, 11967), (3249, 3989)]