1271385

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1517

約数の個数: 24

約数和(自身を含む): 2321280

約数和(自身を除く): 1049895

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 1487, 4461, 7435, 13383, 22305, 28253, 66915, 84759, 141265, 254277, 423795, 1271385]

約数ペア:

[(1, 1271385), (3, 423795), (5, 254277), (9, 141265), (15, 84759), (19, 66915), (45, 28253), (57, 22305), (95, 13383), (171, 7435), (285, 4461), (855, 1487)]