1999989915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1731593}}^1$

素因数の和:1731619

約数の個数: 32

約数和(自身を含む): 3989592576

約数和(自身を除く): 1989602661

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 1731593, 5194779, 8657965, 12121151, 19047523, 25973895, 36363453, 57142569, 60605755, 95237615, 133332661, 181817265, 285712845, 399997983, 666663305, 1999989915]

約数ペア:

[(1, 1999989915), (3, 666663305), (5, 399997983), (7, 285712845), (11, 181817265), (15, 133332661), (21, 95237615), (33, 60605755), (35, 57142569), (55, 36363453), (77, 25973895), (105, 19047523), (165, 12121151), (231, 8657965), (385, 5194779), (1155, 1731593)]