27909889

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3137}}^1$

素因数の和:3216

約数の個数: 16

約数和(自身を含む): 33739776

約数和(自身を除く): 5829887

約数列:

[1, 7, 31, 41, 217, 287, 1271, 3137, 8897, 21959, 97247, 128617, 680729, 900319, 3987127, 27909889]

約数ペア:

[(1, 27909889), (7, 3987127), (31, 900319), (41, 680729), (217, 128617), (287, 97247), (1271, 21959), (3137, 8897)]