181629

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^2$

素因数の和:78

約数の個数: 24

約数和(自身を含む): 317760

約数和(自身を除く): 136131

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 961, 1953, 2883, 5859, 6727, 8649, 20181, 25947, 60543, 181629]

約数ペア:

[(1, 181629), (3, 60543), (7, 25947), (9, 20181), (21, 8649), (27, 6727), (31, 5859), (63, 2883), (93, 1953), (189, 961), (217, 837), (279, 651)]