51988839

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1361}}^1$

素因数の和:1495

約数の個数: 32

約数和(自身を含む): 84727296

約数和(自身を除く): 32738457

約数列:

[1, 3, 7, 17, 21, 51, 107, 119, 321, 357, 749, 1361, 1819, 2247, 4083, 5457, 9527, 12733, 23137, 28581, 38199, 69411, 145627, 161959, 436881, 485877, 1019389, 2475659, 3058167, 7426977, 17329613, 51988839]

約数ペア:

[(1, 51988839), (3, 17329613), (7, 7426977), (17, 3058167), (21, 2475659), (51, 1019389), (107, 485877), (119, 436881), (321, 161959), (357, 145627), (749, 69411), (1361, 38199), (1819, 28581), (2247, 23137), (4083, 12733), (5457, 9527)]