64960995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23159}}^1$

素因数の和:23195

約数の個数: 32

約数和(自身を含む): 120061440

約数和(自身を除く): 55100445

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 23159, 69477, 115795, 254749, 347385, 393703, 764247, 1181109, 1273745, 1968515, 3821235, 4330733, 5905545, 12992199, 21653665, 64960995]

約数ペア:

[(1, 64960995), (3, 21653665), (5, 12992199), (11, 5905545), (15, 4330733), (17, 3821235), (33, 1968515), (51, 1273745), (55, 1181109), (85, 764247), (165, 393703), (187, 347385), (255, 254749), (561, 115795), (935, 69477), (2805, 23159)]