87990501

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{113}}^1\times {\mathrm{719}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 125089920

約数和(自身を除く): 37099419

約数列:

[1, 3, 19, 57, 113, 339, 361, 719, 1083, 2147, 2157, 6441, 13661, 40793, 40983, 81247, 122379, 243741, 259559, 778677, 1543693, 4631079, 29330167, 87990501]

約数ペア:

[(1, 87990501), (3, 29330167), (19, 4631079), (57, 1543693), (113, 778677), (339, 259559), (361, 243741), (719, 122379), (1083, 81247), (2147, 40983), (2157, 40793), (6441, 13661)]