216804597

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 303663360

約数和(自身を除く): 86858763

約数列:

[1, 3, 41, 103, 109, 123, 157, 309, 327, 471, 4223, 4469, 6437, 11227, 12669, 13407, 16171, 17113, 19311, 33681, 48513, 51339, 460307, 663011, 701633, 1380921, 1762639, 1989033, 2104899, 5287917, 72268199, 216804597]

約数ペア:

[(1, 216804597), (3, 72268199), (41, 5287917), (103, 2104899), (109, 1989033), (123, 1762639), (157, 1380921), (309, 701633), (327, 663011), (471, 460307), (4223, 51339), (4469, 48513), (6437, 33681), (11227, 19311), (12669, 17113), (13407, 16171)]