1621167291

素因数分解:

$3^4\times {\mathrm{5503}}^1\times {\mathrm{3637}}^1$

素因数の和:9152

約数の個数: 20

約数和(自身を含む): 2422849792

約数和(自身を除く): 801682501

約数列:

[1, 3, 9, 27, 81, 3637, 5503, 10911, 16509, 32733, 49527, 98199, 148581, 294597, 445743, 20014411, 60043233, 180129699, 540389097, 1621167291]

約数ペア:

[(1, 1621167291), (3, 540389097), (9, 180129699), (27, 60043233), (81, 20014411), (3637, 445743), (5503, 294597), (10911, 148581), (16509, 98199), (32733, 49527)]