66439863

素因数分解:

$3^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{3391}}^1$

素因数の和:3715

約数の個数: 24

約数和(自身を含む): 110063616

約数和(自身を除く): 43623753

約数列:

[1, 3, 7, 9, 21, 63, 311, 933, 2177, 2799, 3391, 6531, 10173, 19593, 23737, 30519, 71211, 213633, 1054601, 3163803, 7382207, 9491409, 22146621, 66439863]

約数ペア:

[(1, 66439863), (3, 22146621), (7, 9491409), (9, 7382207), (21, 3163803), (63, 1054601), (311, 213633), (933, 71211), (2177, 30519), (2799, 23737), (3391, 19593), (6531, 10173)]