1999858413

素因数分解:

$3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{41351}}^1$

素因数の和:41422

約数の個数: 32

約数和(自身を含む): 3175833600

約数和(自身を除く): 1175975187

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 343, 987, 1029, 2303, 6909, 16121, 41351, 48363, 124053, 289457, 868371, 1943497, 2026199, 5830491, 6078597, 13604479, 14183393, 40813437, 42550179, 95231353, 285694059, 666619471, 1999858413]

約数ペア:

[(1, 1999858413), (3, 666619471), (7, 285694059), (21, 95231353), (47, 42550179), (49, 40813437), (141, 14183393), (147, 13604479), (329, 6078597), (343, 5830491), (987, 2026199), (1029, 1943497), (2303, 868371), (6909, 289457), (16121, 124053), (41351, 48363)]