81151965

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2467}}^1$

素因数の和:2538

約数の個数: 48

約数和(自身を含む): 152463168

約数和(自身を除く): 71311203

約数列:

[1, 3, 5, 9, 15, 17, 43, 45, 51, 85, 129, 153, 215, 255, 387, 645, 731, 765, 1935, 2193, 2467, 3655, 6579, 7401, 10965, 12335, 22203, 32895, 37005, 41939, 106081, 111015, 125817, 209695, 318243, 377451, 530405, 629085, 954729, 1591215, 1803377, 1887255, 4773645, 5410131, 9016885, 16230393, 27050655, 81151965]

約数ペア:

[(1, 81151965), (3, 27050655), (5, 16230393), (9, 9016885), (15, 5410131), (17, 4773645), (43, 1887255), (45, 1803377), (51, 1591215), (85, 954729), (129, 629085), (153, 530405), (215, 377451), (255, 318243), (387, 209695), (645, 125817), (731, 111015), (765, 106081), (1935, 41939), (2193, 37005), (2467, 32895), (3655, 22203), (6579, 12335), (7401, 10965)]