9998997

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 15206400

約数和(自身を除く): 5207403

約数列:

[1, 3, 19, 23, 29, 57, 69, 87, 263, 437, 551, 667, 789, 1311, 1653, 2001, 4997, 6049, 7627, 12673, 14991, 18147, 22881, 38019, 114931, 144913, 175421, 344793, 434739, 526263, 3332999, 9998997]

約数ペア:

[(1, 9998997), (3, 3332999), (19, 526263), (23, 434739), (29, 344793), (57, 175421), (69, 144913), (87, 114931), (263, 38019), (437, 22881), (551, 18147), (667, 14991), (789, 12673), (1311, 7627), (1653, 6049), (2001, 4997)]