30985983

素因数分解:

$3^4\times 7^2\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:274

約数の個数: 60

約数和(自身を含む): 55562232

約数和(自身を除く): 24576249

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 63, 81, 111, 147, 189, 211, 259, 333, 441, 567, 633, 777, 999, 1323, 1477, 1813, 1899, 2331, 2997, 3969, 4431, 5439, 5697, 6993, 7807, 10339, 13293, 16317, 17091, 20979, 23421, 31017, 39879, 48951, 54649, 70263, 93051, 119637, 146853, 163947, 210789, 279153, 382543, 491841, 632367, 837459, 1147629, 1475523, 3442887, 4426569, 10328661, 30985983]

約数ペア:

[(1, 30985983), (3, 10328661), (7, 4426569), (9, 3442887), (21, 1475523), (27, 1147629), (37, 837459), (49, 632367), (63, 491841), (81, 382543), (111, 279153), (147, 210789), (189, 163947), (211, 146853), (259, 119637), (333, 93051), (441, 70263), (567, 54649), (633, 48951), (777, 39879), (999, 31017), (1323, 23421), (1477, 20979), (1813, 17091), (1899, 16317), (2331, 13293), (2997, 10339), (3969, 7807), (4431, 6993), (5439, 5697)]