1209705189

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1777}}^1$

素因数の和:2226

約数の個数: 48

約数和(自身を含む): 2052864576

約数和(自身を除く): 843159387

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 421, 539, 1263, 1617, 1777, 2947, 4631, 5331, 8841, 12439, 13893, 19547, 20629, 32417, 37317, 58641, 61887, 87073, 97251, 136829, 226919, 261219, 410487, 680757, 748117, 957803, 2244351, 2873409, 5236819, 8229287, 15710457, 24687861, 36657733, 57605009, 109973199, 172815027, 403235063, 1209705189]

約数ペア:

[(1, 1209705189), (3, 403235063), (7, 172815027), (11, 109973199), (21, 57605009), (33, 36657733), (49, 24687861), (77, 15710457), (147, 8229287), (231, 5236819), (421, 2873409), (539, 2244351), (1263, 957803), (1617, 748117), (1777, 680757), (2947, 410487), (4631, 261219), (5331, 226919), (8841, 136829), (12439, 97251), (13893, 87073), (19547, 61887), (20629, 58641), (32417, 37317)]