821016

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{181}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 2642640

約数和(自身を除く): 1821624

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 181, 189, 216, 252, 324, 362, 378, 504, 543, 567, 648, 724, 756, 1086, 1134, 1267, 1448, 1512, 1629, 2172, 2268, 2534, 3258, 3801, 4344, 4536, 4887, 5068, 6516, 7602, 9774, 10136, 11403, 13032, 14661, 15204, 19548, 22806, 29322, 30408, 34209, 39096, 45612, 58644, 68418, 91224, 102627, 117288, 136836, 205254, 273672, 410508, 821016]

約数ペア:

[(1, 821016), (2, 410508), (3, 273672), (4, 205254), (6, 136836), (7, 117288), (8, 102627), (9, 91224), (12, 68418), (14, 58644), (18, 45612), (21, 39096), (24, 34209), (27, 30408), (28, 29322), (36, 22806), (42, 19548), (54, 15204), (56, 14661), (63, 13032), (72, 11403), (81, 10136), (84, 9774), (108, 7602), (126, 6516), (162, 5068), (168, 4887), (181, 4536), (189, 4344), (216, 3801), (252, 3258), (324, 2534), (362, 2268), (378, 2172), (504, 1629), (543, 1512), (567, 1448), (648, 1267), (724, 1134), (756, 1086)]