2007981

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{101}}^1$

素因数の和:201

約数の個数: 18

約数和(自身を含む): 2992782

約数和(自身を除く): 984801

約数列:

[1, 3, 9, 47, 101, 141, 303, 423, 909, 2209, 4747, 6627, 14241, 19881, 42723, 223109, 669327, 2007981]

約数ペア:

[(1, 2007981), (3, 669327), (9, 223109), (47, 42723), (101, 19881), (141, 14241), (303, 6627), (423, 4747), (909, 2209)]