31001859

素因数分解:

$3^4\times 7^2\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 60

約数和(自身を含む): 55120824

約数和(自身を除く): 24118965

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 73, 81, 107, 147, 189, 219, 321, 441, 511, 567, 657, 749, 963, 1323, 1533, 1971, 2247, 2889, 3577, 3969, 4599, 5243, 5913, 6741, 7811, 8667, 10731, 13797, 15729, 20223, 23433, 32193, 41391, 47187, 54677, 60669, 70299, 96579, 141561, 164031, 210897, 289737, 382739, 424683, 492093, 632691, 1148217, 1476279, 3444651, 4428837, 10333953, 31001859]

約数ペア:

[(1, 31001859), (3, 10333953), (7, 4428837), (9, 3444651), (21, 1476279), (27, 1148217), (49, 632691), (63, 492093), (73, 424683), (81, 382739), (107, 289737), (147, 210897), (189, 164031), (219, 141561), (321, 96579), (441, 70299), (511, 60669), (567, 54677), (657, 47187), (749, 41391), (963, 32193), (1323, 23433), (1533, 20223), (1971, 15729), (2247, 13797), (2889, 10731), (3577, 8667), (3969, 7811), (4599, 6741), (5243, 5913)]