66861765

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 124540416

約数和(自身を除く): 57678651

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 71, 85, 153, 213, 255, 355, 639, 765, 1065, 1207, 1231, 3195, 3621, 3693, 6035, 6155, 10863, 11079, 18105, 18465, 20927, 54315, 55395, 62781, 87401, 104635, 188343, 262203, 313905, 437005, 786609, 941715, 1311015, 1485817, 3933045, 4457451, 7429085, 13372353, 22287255, 66861765]

約数ペア:

[(1, 66861765), (3, 22287255), (5, 13372353), (9, 7429085), (15, 4457451), (17, 3933045), (45, 1485817), (51, 1311015), (71, 941715), (85, 786609), (153, 437005), (213, 313905), (255, 262203), (355, 188343), (639, 104635), (765, 87401), (1065, 62781), (1207, 55395), (1231, 54315), (3195, 20927), (3621, 18465), (3693, 18105), (6035, 11079), (6155, 10863)]