31977275

素因数分解:

$5^2\times {\mathrm{11}}^3\times {\mathrm{31}}^2$

素因数の和:105

約数の個数: 36

約数和(自身を含む): 45066312

約数和(自身を除く): 13089037

約数列:

[1, 5, 11, 25, 31, 55, 121, 155, 275, 341, 605, 775, 961, 1331, 1705, 3025, 3751, 4805, 6655, 8525, 10571, 18755, 24025, 33275, 41261, 52855, 93775, 116281, 206305, 264275, 581405, 1031525, 1279091, 2907025, 6395455, 31977275]

約数ペア:

[(1, 31977275), (5, 6395455), (11, 2907025), (25, 1279091), (31, 1031525), (55, 581405), (121, 264275), (155, 206305), (275, 116281), (341, 93775), (605, 52855), (775, 41261), (961, 33275), (1331, 24025), (1705, 18755), (3025, 10571), (3751, 8525), (4805, 6655)]