66885

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{13}}^1$

素因数の和:42

約数の個数: 32

約数和(自身を含む): 134400

約数和(自身を除く): 67515

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 343, 455, 637, 735, 1029, 1365, 1715, 1911, 3185, 4459, 5145, 9555, 13377, 22295, 66885]

約数ペア:

[(1, 66885), (3, 22295), (5, 13377), (7, 9555), (13, 5145), (15, 4459), (21, 3185), (35, 1911), (39, 1715), (49, 1365), (65, 1029), (91, 735), (105, 637), (147, 455), (195, 343), (245, 273)]