1287447

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 1984512

約数和(自身を除く): 697065

約数列:

[1, 3, 7, 21, 101, 303, 607, 707, 1821, 2121, 4249, 12747, 61307, 183921, 429149, 1287447]

約数ペア:

[(1, 1287447), (3, 429149), (7, 183921), (21, 61307), (101, 12747), (303, 4249), (607, 2121), (707, 1821)]