821826447

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{6791}}^1$

素因数の和:6943

約数の個数: 32

約数和(自身を含む): 1232340480

約数和(自身を除く): 410514033

約数列:

[1, 3, 13, 29, 39, 87, 107, 321, 377, 1131, 1391, 3103, 4173, 6791, 9309, 20373, 40339, 88283, 121017, 196939, 264849, 590817, 726637, 2179911, 2560207, 7680621, 9446281, 21072473, 28338843, 63217419, 273942149, 821826447]

約数ペア:

[(1, 821826447), (3, 273942149), (13, 63217419), (29, 28338843), (39, 21072473), (87, 9446281), (107, 7680621), (321, 2560207), (377, 2179911), (1131, 726637), (1391, 590817), (3103, 264849), (4173, 196939), (6791, 121017), (9309, 88283), (20373, 40339)]