40761721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 56060928

約数和(自身を除く): 15299207

約数列:

[1, 7, 11, 13, 43, 77, 91, 143, 301, 473, 559, 947, 1001, 3311, 3913, 6149, 6629, 10417, 12311, 40721, 43043, 72919, 86177, 135421, 285047, 447931, 529373, 947947, 3135517, 3705611, 5823103, 40761721]

約数ペア:

[(1, 40761721), (7, 5823103), (11, 3705611), (13, 3135517), (43, 947947), (77, 529373), (91, 447931), (143, 285047), (301, 135421), (473, 86177), (559, 72919), (947, 43043), (1001, 40721), (3311, 12311), (3913, 10417), (6149, 6629)]