90906879

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1759}}^1$

素因数の和:1899

約数の個数: 32

約数和(自身を含む): 145981440

約数和(自身を除く): 55074561

約数列:

[1, 3, 7, 21, 23, 69, 107, 161, 321, 483, 749, 1759, 2247, 2461, 5277, 7383, 12313, 17227, 36939, 40457, 51681, 121371, 188213, 283199, 564639, 849597, 1317491, 3952473, 4328899, 12986697, 30302293, 90906879]

約数ペア:

[(1, 90906879), (3, 30302293), (7, 12986697), (21, 4328899), (23, 3952473), (69, 1317491), (107, 849597), (161, 564639), (321, 283199), (483, 188213), (749, 121371), (1759, 51681), (2247, 40457), (2461, 36939), (5277, 17227), (7383, 12313)]