386289

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:282

約数の個数: 20

約数和(自身を含む): 609840

約数和(自身を除く): 223551

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 251, 513, 753, 1539, 2259, 4769, 6777, 14307, 20331, 42921, 128763, 386289]

約数ペア:

[(1, 386289), (3, 128763), (9, 42921), (19, 20331), (27, 14307), (57, 6777), (81, 4769), (171, 2259), (251, 1539), (513, 753)]