72881295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{919}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 124001280

約数和(自身を除く): 51119985

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 311, 919, 933, 1555, 2757, 4595, 4665, 5287, 13785, 15623, 15861, 26435, 46869, 78115, 79305, 234345, 285809, 857427, 1429045, 4287135, 4858753, 14576259, 24293765, 72881295]

約数ペア:

[(1, 72881295), (3, 24293765), (5, 14576259), (15, 4858753), (17, 4287135), (51, 1429045), (85, 857427), (255, 285809), (311, 234345), (919, 79305), (933, 78115), (1555, 46869), (2757, 26435), (4595, 15861), (4665, 15623), (5287, 13785)]