191613681

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 351546624

約数和(自身を除く): 159932943

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 103, 119, 153, 189, 193, 309, 357, 459, 567, 579, 721, 927, 1071, 1351, 1377, 1737, 1751, 2163, 2781, 3213, 3281, 4053, 5211, 5253, 6489, 8343, 9639, 9843, 12159, 12257, 15633, 15759, 19467, 19879, 22967, 29529, 36477, 36771, 47277, 58401, 59637, 68901, 88587, 109431, 110313, 139153, 141831, 178911, 206703, 265761, 330939, 337943, 417459, 536733, 620109, 992817, 1013829, 1252377, 1610199, 1860327, 2365601, 3041487, 3757131, 7096803, 9124461, 11271393, 21290409, 27373383, 63871227, 191613681]

約数ペア:

[(1, 191613681), (3, 63871227), (7, 27373383), (9, 21290409), (17, 11271393), (21, 9124461), (27, 7096803), (51, 3757131), (63, 3041487), (81, 2365601), (103, 1860327), (119, 1610199), (153, 1252377), (189, 1013829), (193, 992817), (309, 620109), (357, 536733), (459, 417459), (567, 337943), (579, 330939), (721, 265761), (927, 206703), (1071, 178911), (1351, 141831), (1377, 139153), (1737, 110313), (1751, 109431), (2163, 88587), (2781, 68901), (3213, 59637), (3281, 58401), (4053, 47277), (5211, 36771), (5253, 36477), (6489, 29529), (8343, 22967), (9639, 19879), (9843, 19467), (12159, 15759), (12257, 15633)]