1278528069

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{12973}}^1$

素因数の和:13034

約数の個数: 48

約数和(自身を含む): 2214506112

約数和(自身を除く): 935978043

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 361, 399, 741, 1083, 1729, 2527, 4693, 5187, 7581, 12973, 14079, 32851, 38919, 90811, 98553, 168649, 246487, 272433, 505947, 739461, 1180543, 1725409, 3204331, 3541629, 4683253, 5176227, 9612993, 14049759, 22430317, 32782771, 60882289, 67290951, 98348313, 182646867, 426176023, 1278528069]

約数ペア:

[(1, 1278528069), (3, 426176023), (7, 182646867), (13, 98348313), (19, 67290951), (21, 60882289), (39, 32782771), (57, 22430317), (91, 14049759), (133, 9612993), (247, 5176227), (273, 4683253), (361, 3541629), (399, 3204331), (741, 1725409), (1083, 1180543), (1729, 739461), (2527, 505947), (4693, 272433), (5187, 246487), (7581, 168649), (12973, 98553), (14079, 90811), (32851, 38919)]