31120578

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{8117}}^1$

素因数の和:8199

約数の個数: 32

約数和(自身を含む): 70139520

約数和(自身を除く): 39018942

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 8117, 16234, 24351, 48702, 73053, 146106, 219159, 438318, 576307, 1152614, 1728921, 3457842, 5186763, 10373526, 15560289, 31120578]

約数ペア:

[(1, 31120578), (2, 15560289), (3, 10373526), (6, 5186763), (9, 3457842), (18, 1728921), (27, 1152614), (54, 576307), (71, 438318), (142, 219159), (213, 146106), (426, 73053), (639, 48702), (1278, 24351), (1917, 16234), (3834, 8117)]