201381981

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 282009600

約数和(自身を除く): 80627619

約数列:

[1, 3, 47, 79, 101, 141, 179, 237, 303, 537, 3713, 4747, 7979, 8413, 11139, 14141, 14241, 18079, 23937, 25239, 42423, 54237, 375013, 664627, 849713, 1125039, 1428241, 1993881, 2549139, 4284723, 67127327, 201381981]

約数ペア:

[(1, 201381981), (3, 67127327), (47, 4284723), (79, 2549139), (101, 1993881), (141, 1428241), (179, 1125039), (237, 849713), (303, 664627), (537, 375013), (3713, 54237), (4747, 42423), (7979, 25239), (8413, 23937), (11139, 18079), (14141, 14241)]