27008905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 42325632

約数和(自身を除く): 15316727

約数列:

[1, 5, 7, 11, 31, 35, 55, 73, 77, 155, 217, 341, 365, 385, 511, 803, 961, 1085, 1705, 2263, 2387, 2555, 4015, 4805, 5621, 6727, 10571, 11315, 11935, 15841, 24893, 28105, 33635, 52855, 70153, 73997, 79205, 124465, 174251, 350765, 369985, 491071, 771683, 871255, 2455355, 3858415, 5401781, 27008905]

約数ペア:

[(1, 27008905), (5, 5401781), (7, 3858415), (11, 2455355), (31, 871255), (35, 771683), (55, 491071), (73, 369985), (77, 350765), (155, 174251), (217, 124465), (341, 79205), (365, 73997), (385, 70153), (511, 52855), (803, 33635), (961, 28105), (1085, 24893), (1705, 15841), (2263, 11935), (2387, 11315), (2555, 10571), (4015, 6727), (4805, 5621)]