27720991275

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{253681}}^1$

素因数の和:253772

約数の個数: 48

約数和(自身を含む): 48317288448

約数和(自身を除く): 20596297173

約数列:

[1, 3, 5, 15, 25, 31, 47, 75, 93, 141, 155, 235, 465, 705, 775, 1175, 1457, 2325, 3525, 4371, 7285, 21855, 36425, 109275, 253681, 761043, 1268405, 3805215, 6342025, 7864111, 11923007, 19026075, 23592333, 35769021, 39320555, 59615035, 117961665, 178845105, 196602775, 298075175, 369613217, 589808325, 894225525, 1108839651, 1848066085, 5544198255, 9240330425, 27720991275]

約数ペア:

[(1, 27720991275), (3, 9240330425), (5, 5544198255), (15, 1848066085), (25, 1108839651), (31, 894225525), (47, 589808325), (75, 369613217), (93, 298075175), (141, 196602775), (155, 178845105), (235, 117961665), (465, 59615035), (705, 39320555), (775, 35769021), (1175, 23592333), (1457, 19026075), (2325, 11923007), (3525, 7864111), (4371, 6342025), (7285, 3805215), (21855, 1268405), (36425, 761043), (109275, 253681)]