417972009

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{218719}}^1$

素因数の和:218749

約数の個数: 24

約数和(自身を含む): 698154240

約数和(自身を除く): 280182231

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 218719, 656157, 1531033, 2843347, 4593099, 8530041, 10717231, 19903429, 32151693, 59710287, 139324003, 417972009]

約数ペア:

[(1, 417972009), (3, 139324003), (7, 59710287), (13, 32151693), (21, 19903429), (39, 10717231), (49, 8530041), (91, 4593099), (147, 2843347), (273, 1531033), (637, 656157), (1911, 218719)]