66819879

素因数分解:

$3^2\times 7^2\times {\mathrm{277}}^1\times {\mathrm{547}}^1$

素因数の和:844

約数の個数: 36

約数和(自身を含む): 112886904

約数和(自身を除く): 46067025

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 277, 441, 547, 831, 1641, 1939, 2493, 3829, 4923, 5817, 11487, 13573, 17451, 26803, 34461, 40719, 80409, 122157, 151519, 241227, 454557, 1060633, 1363671, 3181899, 7424431, 9545697, 22273293, 66819879]

約数ペア:

[(1, 66819879), (3, 22273293), (7, 9545697), (9, 7424431), (21, 3181899), (49, 1363671), (63, 1060633), (147, 454557), (277, 241227), (441, 151519), (547, 122157), (831, 80409), (1641, 40719), (1939, 34461), (2493, 26803), (3829, 17451), (4923, 13573), (5817, 11487)]