287607621

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{132967}}^1$

素因数の和:133080

約数の個数: 16

約数和(自身を含む): 442517504

約数和(自身を除く): 154909883

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 132967, 398901, 930769, 2792307, 13695601, 41086803, 95869207, 287607621]

約数ペア:

[(1, 287607621), (3, 95869207), (7, 41086803), (21, 13695601), (103, 2792307), (309, 930769), (721, 398901), (2163, 132967)]