27860365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1327}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 40158720

約数和(自身を除く): 12298355

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1327, 1615, 4199, 6635, 17251, 20995, 22559, 25213, 86255, 112795, 126065, 293267, 327769, 428621, 1466335, 1638845, 2143105, 5572073, 27860365]

約数ペア:

[(1, 27860365), (5, 5572073), (13, 2143105), (17, 1638845), (19, 1466335), (65, 428621), (85, 327769), (95, 293267), (221, 126065), (247, 112795), (323, 86255), (1105, 25213), (1235, 22559), (1327, 20995), (1615, 17251), (4199, 6635)]