19970829

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 29610360

約数和(自身を除く): 9639531

約数列:

[1, 3, 9, 73, 113, 219, 269, 339, 657, 807, 1017, 2421, 8249, 19637, 24747, 30397, 58911, 74241, 91191, 176733, 273573, 2218981, 6656943, 19970829]

約数ペア:

[(1, 19970829), (3, 6656943), (9, 2218981), (73, 273573), (113, 176733), (219, 91191), (269, 74241), (339, 58911), (657, 30397), (807, 24747), (1017, 19637), (2421, 8249)]