12240255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2087}}^1$

素因数の和:2135

約数の個数: 32

約数和(自身を含む): 21648384

約数和(自身を除く): 9408129

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 2087, 5865, 6261, 10435, 31305, 35479, 48001, 106437, 144003, 177395, 240005, 532185, 720015, 816017, 2448051, 4080085, 12240255]

約数ペア:

[(1, 12240255), (3, 4080085), (5, 2448051), (15, 816017), (17, 720015), (23, 532185), (51, 240005), (69, 177395), (85, 144003), (115, 106437), (255, 48001), (345, 35479), (391, 31305), (1173, 10435), (1955, 6261), (2087, 5865)]