208208061

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1069}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 340516800

約数和(自身を除く): 132308739

約数列:

[1, 3, 9, 17, 19, 51, 57, 67, 153, 171, 201, 323, 603, 969, 1069, 1139, 1273, 2907, 3207, 3417, 3819, 9621, 10251, 11457, 18173, 20311, 21641, 54519, 60933, 64923, 71623, 163557, 182799, 194769, 214869, 345287, 644607, 1035861, 1217591, 1360837, 3107583, 3652773, 4082511, 10958319, 12247533, 23134229, 69402687, 208208061]

約数ペア:

[(1, 208208061), (3, 69402687), (9, 23134229), (17, 12247533), (19, 10958319), (51, 4082511), (57, 3652773), (67, 3107583), (153, 1360837), (171, 1217591), (201, 1035861), (323, 644607), (603, 345287), (969, 214869), (1069, 194769), (1139, 182799), (1273, 163557), (2907, 71623), (3207, 64923), (3417, 60933), (3819, 54519), (9621, 21641), (10251, 20311), (11457, 18173)]