66815913

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 98380800

約数和(自身を除く): 31564887

約数列:

[1, 3, 19, 29, 57, 83, 87, 249, 487, 551, 1461, 1577, 1653, 2407, 4731, 7221, 9253, 14123, 27759, 40421, 42369, 45733, 121263, 137199, 268337, 767999, 805011, 1172209, 2303997, 3516627, 22271971, 66815913]

約数ペア:

[(1, 66815913), (3, 22271971), (19, 3516627), (29, 2303997), (57, 1172209), (83, 805011), (87, 767999), (249, 268337), (487, 137199), (551, 121263), (1461, 45733), (1577, 42369), (1653, 40421), (2407, 27759), (4731, 14123), (7221, 9253)]