27959659

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 36807680

約数和(自身を除く): 8848021

約数列:

[1, 7, 13, 19, 91, 103, 133, 157, 247, 721, 1099, 1339, 1729, 1957, 2041, 2983, 9373, 13699, 14287, 16171, 20881, 25441, 38779, 113197, 178087, 210223, 271453, 307249, 1471561, 2150743, 3994237, 27959659]

約数ペア:

[(1, 27959659), (7, 3994237), (13, 2150743), (19, 1471561), (91, 307249), (103, 271453), (133, 210223), (157, 178087), (247, 113197), (721, 38779), (1099, 25441), (1339, 20881), (1729, 16171), (1957, 14287), (2041, 13699), (2983, 9373)]