1002001

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^2$

素因数の和:62

約数の個数: 27

約数和(自身を含む): 1387323

約数和(自身を除く): 385322

約数列:

[1, 7, 11, 13, 49, 77, 91, 121, 143, 169, 539, 637, 847, 1001, 1183, 1573, 1859, 5929, 7007, 8281, 11011, 13013, 20449, 77077, 91091, 143143, 1002001]

約数ペア:

[(1, 1002001), (7, 143143), (11, 91091), (13, 77077), (49, 20449), (77, 13013), (91, 11011), (121, 8281), (143, 7007), (169, 5929), (539, 1859), (637, 1573), (847, 1183)]