40768413

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 64788480

約数和(自身を除く): 24020067

約数列:

[1, 3, 7, 21, 37, 71, 111, 213, 259, 497, 739, 777, 1491, 2217, 2627, 5173, 7881, 15519, 18389, 27343, 52469, 55167, 82029, 157407, 191401, 367283, 574203, 1101849, 1941353, 5824059, 13589471, 40768413]

約数ペア:

[(1, 40768413), (3, 13589471), (7, 5824059), (21, 1941353), (37, 1101849), (71, 574203), (111, 367283), (213, 191401), (259, 157407), (497, 82029), (739, 55167), (777, 52469), (1491, 27343), (2217, 18389), (2627, 15519), (5173, 7881)]