1242783

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:308

約数の個数: 20

約数和(自身を含む): 1892440

約数和(自身を除く): 649657

約数列:

[1, 3, 9, 27, 67, 81, 201, 229, 603, 687, 1809, 2061, 5427, 6183, 15343, 18549, 46029, 138087, 414261, 1242783]

約数ペア:

[(1, 1242783), (3, 414261), (9, 138087), (27, 46029), (67, 18549), (81, 15343), (201, 6183), (229, 5427), (603, 2061), (687, 1809)]