211318578

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{55117}}^1$

素因数の和:55199

約数の個数: 32

約数和(自身を含む): 476219520

約数和(自身を除く): 264900942

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 55117, 110234, 165351, 330702, 496053, 992106, 1488159, 2976318, 3913307, 7826614, 11739921, 23479842, 35219763, 70439526, 105659289, 211318578]

約数ペア:

[(1, 211318578), (2, 105659289), (3, 70439526), (6, 35219763), (9, 23479842), (18, 11739921), (27, 7826614), (54, 3913307), (71, 2976318), (142, 1488159), (213, 992106), (426, 496053), (639, 330702), (1278, 165351), (1917, 110234), (3834, 55117)]