81364295

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 108936576

約数和(自身を除く): 27572281

約数列:

[1, 5, 17, 37, 41, 85, 185, 205, 629, 631, 697, 1517, 3145, 3155, 3485, 7585, 10727, 23347, 25789, 25871, 53635, 116735, 128945, 129355, 396899, 439807, 957227, 1984495, 2199035, 4786135, 16272859, 81364295]

約数ペア:

[(1, 81364295), (5, 16272859), (17, 4786135), (37, 2199035), (41, 1984495), (85, 957227), (185, 439807), (205, 396899), (629, 129355), (631, 128945), (697, 116735), (1517, 53635), (3145, 25871), (3155, 25789), (3485, 23347), (7585, 10727)]