85722021

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 161336448

約数和(自身を除く): 75614427

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 49, 63, 77, 99, 123, 147, 231, 287, 369, 431, 441, 451, 539, 693, 861, 1293, 1353, 1617, 2009, 2583, 3017, 3157, 3879, 4059, 4741, 4851, 6027, 9051, 9471, 14223, 17671, 18081, 21119, 22099, 27153, 28413, 33187, 42669, 53013, 63357, 66297, 99561, 123697, 159039, 190071, 194381, 198891, 232309, 298683, 371091, 583143, 696927, 865879, 1113273, 1360667, 1749429, 2090781, 2597637, 4082001, 7792911, 9524669, 12246003, 28574007, 85722021]

約数ペア:

[(1, 85722021), (3, 28574007), (7, 12246003), (9, 9524669), (11, 7792911), (21, 4082001), (33, 2597637), (41, 2090781), (49, 1749429), (63, 1360667), (77, 1113273), (99, 865879), (123, 696927), (147, 583143), (231, 371091), (287, 298683), (369, 232309), (431, 198891), (441, 194381), (451, 190071), (539, 159039), (693, 123697), (861, 99561), (1293, 66297), (1353, 63357), (1617, 53013), (2009, 42669), (2583, 33187), (3017, 28413), (3157, 27153), (3879, 22099), (4059, 21119), (4741, 18081), (4851, 17671), (6027, 14223), (9051, 9471)]