64444575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 115749536

約数和(自身を除く): 51304961

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 157, 195, 325, 421, 471, 785, 975, 1263, 2041, 2105, 2355, 3925, 5473, 6123, 6315, 10205, 10525, 11775, 16419, 27365, 30615, 31575, 51025, 66097, 82095, 136825, 153075, 198291, 330485, 410475, 859261, 991455, 1652425, 2577783, 4296305, 4957275, 12888915, 21481525, 64444575]

約数ペア:

[(1, 64444575), (3, 21481525), (5, 12888915), (13, 4957275), (15, 4296305), (25, 2577783), (39, 1652425), (65, 991455), (75, 859261), (157, 410475), (195, 330485), (325, 198291), (421, 153075), (471, 136825), (785, 82095), (975, 66097), (1263, 51025), (2041, 31575), (2105, 30615), (2355, 27365), (3925, 16419), (5473, 11775), (6123, 10525), (6315, 10205)]