251136729

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{1997}}^1$

素因数の和:2249

約数の個数: 24

約数和(自身を含む): 369350280

約数和(自身を除く): 118213551

約数列:

[1, 3, 9, 89, 157, 267, 471, 801, 1413, 1997, 5991, 13973, 17973, 41919, 125757, 177733, 313529, 533199, 940587, 1599597, 2821761, 27904081, 83712243, 251136729]

約数ペア:

[(1, 251136729), (3, 83712243), (9, 27904081), (89, 2821761), (157, 1599597), (267, 940587), (471, 533199), (801, 313529), (1413, 177733), (1997, 125757), (5991, 41919), (13973, 17973)]