51489921

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{10259}}^1$

素因数の和:10508

約数の個数: 16

約数和(自身を含む): 78796800

約数和(自身を除く): 27306879

約数列:

[1, 3, 7, 21, 239, 717, 1673, 5019, 10259, 30777, 71813, 215439, 2451901, 7355703, 17163307, 51489921]

約数ペア:

[(1, 51489921), (3, 17163307), (7, 7355703), (21, 2451901), (239, 215439), (717, 71813), (1673, 30777), (5019, 10259)]