906408321

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{474311}}^1$

素因数の和:474341

約数の個数: 24

約数和(自身を含む): 1514003904

約数和(自身を除く): 607595583

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 474311, 1422933, 3320177, 6166043, 9960531, 18498129, 23241239, 43162301, 69723717, 129486903, 302136107, 906408321]

約数ペア:

[(1, 906408321), (3, 302136107), (7, 129486903), (13, 69723717), (21, 43162301), (39, 23241239), (49, 18498129), (91, 9960531), (147, 6166043), (273, 3320177), (637, 1422933), (1911, 474311)]