187868541

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{1453}}^1$

素因数の和:1641

約数の個数: 32

約数和(自身を含む): 294801408

約数和(自身を除く): 106932867

約数列:

[1, 3, 7, 21, 47, 131, 141, 329, 393, 917, 987, 1453, 2751, 4359, 6157, 10171, 18471, 30513, 43099, 68291, 129297, 190343, 204873, 478037, 571029, 1332401, 1434111, 3997203, 8946121, 26838363, 62622847, 187868541]

約数ペア:

[(1, 187868541), (3, 62622847), (7, 26838363), (21, 8946121), (47, 3997203), (131, 1434111), (141, 1332401), (329, 571029), (393, 478037), (917, 204873), (987, 190343), (1453, 129297), (2751, 68291), (4359, 43099), (6157, 30513), (10171, 18471)]