99999921

素因数分解:

$3^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{9467}}^1$

素因数の和:9980

約数の個数: 16

約数和(自身を含む): 152699904

約数和(自身を除く): 52699983

約数列:

[1, 3, 7, 21, 503, 1509, 3521, 9467, 10563, 28401, 66269, 198807, 4761901, 14285703, 33333307, 99999921]

約数ペア:

[(1, 99999921), (3, 33333307), (7, 14285703), (21, 4761901), (503, 198807), (1509, 66269), (3521, 28401), (9467, 10563)]