404381997

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 653184000

約数和(自身を除く): 248802003

約数列:

[1, 3, 9, 19, 27, 53, 57, 107, 139, 159, 171, 321, 417, 477, 513, 963, 1007, 1251, 1431, 2033, 2641, 2889, 3021, 3753, 5671, 6099, 7367, 7923, 9063, 14873, 17013, 18297, 22101, 23769, 27189, 44619, 51039, 54891, 66303, 71307, 107749, 133857, 139973, 153117, 198909, 282587, 323247, 401571, 419919, 788269, 847761, 969741, 1259757, 2364807, 2543283, 2909223, 3779271, 7094421, 7629849, 14977111, 21283263, 44931333, 134793999, 404381997]

約数ペア:

[(1, 404381997), (3, 134793999), (9, 44931333), (19, 21283263), (27, 14977111), (53, 7629849), (57, 7094421), (107, 3779271), (139, 2909223), (159, 2543283), (171, 2364807), (321, 1259757), (417, 969741), (477, 847761), (513, 788269), (963, 419919), (1007, 401571), (1251, 323247), (1431, 282587), (2033, 198909), (2641, 153117), (2889, 139973), (3021, 133857), (3753, 107749), (5671, 71307), (6099, 66303), (7367, 54891), (7923, 51039), (9063, 44619), (14873, 27189), (17013, 23769), (18297, 22101)]