25139685

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{317}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 42861312

約数和(自身を除く): 17721627

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 311, 317, 933, 951, 1555, 1585, 4665, 4755, 5287, 5389, 15861, 16167, 26435, 26945, 79305, 80835, 98587, 295761, 492935, 1478805, 1675979, 5027937, 8379895, 25139685]

約数ペア:

[(1, 25139685), (3, 8379895), (5, 5027937), (15, 1675979), (17, 1478805), (51, 492935), (85, 295761), (255, 98587), (311, 80835), (317, 79305), (933, 26945), (951, 26435), (1555, 16167), (1585, 15861), (4665, 5389), (4755, 5287)]