1689273

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 2640456

約数和(自身を除く): 951183

約数列:

[1, 3, 9, 17, 51, 61, 153, 181, 183, 543, 549, 1037, 1629, 3077, 3111, 9231, 9333, 11041, 27693, 33123, 99369, 187697, 563091, 1689273]

約数ペア:

[(1, 1689273), (3, 563091), (9, 187697), (17, 99369), (51, 33123), (61, 27693), (153, 11041), (181, 9333), (183, 9231), (543, 3111), (549, 3077), (1037, 1629)]