7978293

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 11902176

約数和(自身を除く): 3923883

約数列:

[1, 3, 9, 67, 101, 131, 201, 303, 393, 603, 909, 1179, 6767, 8777, 13231, 20301, 26331, 39693, 60903, 78993, 119079, 886477, 2659431, 7978293]

約数ペア:

[(1, 7978293), (3, 2659431), (9, 886477), (67, 119079), (101, 78993), (131, 60903), (201, 39693), (303, 26331), (393, 20301), (603, 13231), (909, 8777), (1179, 6767)]