87475025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{331}}^1$

素因数の和:414

約数の個数: 36

約数和(自身を含む): 122639472

約数和(自身を除く): 35164447

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 331, 341, 775, 961, 1655, 1705, 3641, 4805, 8275, 8525, 10261, 10571, 18205, 24025, 51305, 52855, 91025, 112871, 256525, 264275, 318091, 564355, 1590455, 2821775, 3499001, 7952275, 17495005, 87475025]

約数ペア:

[(1, 87475025), (5, 17495005), (11, 7952275), (25, 3499001), (31, 2821775), (55, 1590455), (155, 564355), (275, 318091), (331, 264275), (341, 256525), (775, 112871), (961, 91025), (1655, 52855), (1705, 51305), (3641, 24025), (4805, 18205), (8275, 10571), (8525, 10261)]