561862497

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{87151}}^1$

素因数の和:87468

約数の個数: 16

約数和(自身を含む): 858970112

約数和(自身を除く): 297107615

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6447, 87151, 261453, 610057, 1830171, 26755357, 80266071, 187287499, 561862497]

約数ペア:

[(1, 561862497), (3, 187287499), (7, 80266071), (21, 26755357), (307, 1830171), (921, 610057), (2149, 261453), (6447, 87151)]