15998961

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 24634368

約数和(自身を除く): 8635407

約数列:

[1, 3, 11, 23, 33, 69, 107, 197, 253, 321, 591, 759, 1177, 2167, 2461, 3531, 4531, 6501, 7383, 13593, 21079, 27071, 49841, 63237, 81213, 149523, 231869, 484817, 695607, 1454451, 5332987, 15998961]

約数ペア:

[(1, 15998961), (3, 5332987), (11, 1454451), (23, 695607), (33, 484817), (69, 231869), (107, 149523), (197, 81213), (253, 63237), (321, 49841), (591, 27071), (759, 21079), (1177, 13593), (2167, 7383), (2461, 6501), (3531, 4531)]