66770199

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{20551}}^1$

素因数の和:20595

約数の個数: 18

約数和(自身を含む): 101794056

約数和(自身を除く): 35023857

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 20551, 61653, 184959, 390469, 1171407, 3514221, 7418911, 22256733, 66770199]

約数ペア:

[(1, 66770199), (3, 22256733), (9, 7418911), (19, 3514221), (57, 1171407), (171, 390469), (361, 184959), (1083, 61653), (3249, 20551)]