261330579

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89897}}^1$

素因数の和:89939

約数の個数: 24

約数和(自身を含む): 420722640

約数和(自身を除く): 159392061

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 89897, 269691, 809073, 1528249, 1708043, 4584747, 5124129, 13754241, 15372387, 29036731, 87110193, 261330579]

約数ペア:

[(1, 261330579), (3, 87110193), (9, 29036731), (17, 15372387), (19, 13754241), (51, 5124129), (57, 4584747), (153, 1708043), (171, 1528249), (323, 809073), (969, 269691), (2907, 89897)]