135909221

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1\times {\mathrm{751}}^1$

素因数の和:1112

約数の個数: 16

約数和(自身を含む): 157667328

約数和(自身を除く): 21758107

約数列:

[1, 7, 103, 251, 721, 751, 1757, 5257, 25853, 77353, 180971, 188501, 541471, 1319507, 19415603, 135909221]

約数ペア:

[(1, 135909221), (7, 19415603), (103, 1319507), (251, 541471), (721, 188501), (751, 180971), (1757, 77353), (5257, 25853)]