26573001

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 47308800

約数和(自身を除く): 20735799

約数列:

[1, 3, 7, 13, 19, 21, 39, 47, 57, 91, 109, 133, 141, 247, 273, 327, 329, 399, 611, 741, 763, 893, 987, 1417, 1729, 1833, 2071, 2289, 2679, 4251, 4277, 5123, 5187, 6213, 6251, 9919, 11609, 12831, 14497, 15369, 18753, 26923, 29757, 34827, 35861, 43491, 66599, 80769, 81263, 97337, 107583, 188461, 199797, 243789, 292011, 466193, 565383, 681359, 1265381, 1398579, 2044077, 3796143, 8857667, 26573001]

約数ペア:

[(1, 26573001), (3, 8857667), (7, 3796143), (13, 2044077), (19, 1398579), (21, 1265381), (39, 681359), (47, 565383), (57, 466193), (91, 292011), (109, 243789), (133, 199797), (141, 188461), (247, 107583), (273, 97337), (327, 81263), (329, 80769), (399, 66599), (611, 43491), (741, 35861), (763, 34827), (893, 29757), (987, 26923), (1417, 18753), (1729, 15369), (1833, 14497), (2071, 12831), (2289, 11609), (2679, 9919), (4251, 6251), (4277, 6213), (5123, 5187)]