84872721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 122923008

約数和(自身を除く): 38050287

約数列:

[1, 3, 17, 51, 103, 107, 151, 309, 321, 453, 1751, 1819, 2567, 5253, 5457, 7701, 11021, 15553, 16157, 33063, 46659, 48471, 187357, 264401, 274669, 562071, 793203, 824007, 1664171, 4992513, 28290907, 84872721]

約数ペア:

[(1, 84872721), (3, 28290907), (17, 4992513), (51, 1664171), (103, 824007), (107, 793203), (151, 562071), (309, 274669), (321, 264401), (453, 187357), (1751, 48471), (1819, 46659), (2567, 33063), (5253, 16157), (5457, 15553), (7701, 11021)]