639187521

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1049569}}^1$

素因数の和:1049608

約数の個数: 16

約数和(自身を含む): 1007587200

約数和(自身を除く): 368399679

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 1049569, 3148707, 7346983, 22040949, 30437501, 91312503, 213062507, 639187521]

約数ペア:

[(1, 639187521), (3, 213062507), (7, 91312503), (21, 30437501), (29, 22040949), (87, 7346983), (203, 3148707), (609, 1049569)]