51991215

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{56821}}^1$

素因数の和:56890

約数の個数: 16

約数和(自身を含む): 84551136

約数和(自身を除く): 32559921

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 56821, 170463, 284105, 852315, 3466081, 10398243, 17330405, 51991215]

約数ペア:

[(1, 51991215), (3, 17330405), (5, 10398243), (15, 3466081), (61, 852315), (183, 284105), (305, 170463), (915, 56821)]