17421117

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3203}}^1$

素因数の和:3257

約数の個数: 24

約数和(自身を含む): 27759456

約数和(自身を除く): 10338339

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 3203, 5439, 9609, 22421, 67263, 118511, 156947, 355533, 470841, 829577, 2488731, 5807039, 17421117]

約数ペア:

[(1, 17421117), (3, 5807039), (7, 2488731), (21, 829577), (37, 470841), (49, 355533), (111, 156947), (147, 118511), (259, 67263), (777, 22421), (1813, 9609), (3203, 5439)]