72105721

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2243}}^1$

素因数の和:2352

約数の個数: 16

約数和(自身を含む): 80137728

約数和(自身を除く): 8032007

約数列:

[1, 17, 31, 61, 527, 1037, 1891, 2243, 32147, 38131, 69533, 136823, 1182061, 2325991, 4241513, 72105721]

約数ペア:

[(1, 72105721), (17, 4241513), (31, 2325991), (61, 1182061), (527, 136823), (1037, 69533), (1891, 38131), (2243, 32147)]