978138

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{1109}}^1$

素因数の和:1131

約数の個数: 36

約数和(自身を含む): 2467530

約数和(自身を除く): 1489392

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 1109, 2218, 3327, 6654, 7763, 9981, 15526, 19962, 23289, 46578, 54341, 69867, 108682, 139734, 163023, 326046, 489069, 978138]

約数ペア:

[(1, 978138), (2, 489069), (3, 326046), (6, 163023), (7, 139734), (9, 108682), (14, 69867), (18, 54341), (21, 46578), (42, 23289), (49, 19962), (63, 15526), (98, 9981), (126, 7763), (147, 6654), (294, 3327), (441, 2218), (882, 1109)]