1218921

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 1816320

約数和(自身を除く): 597399

約数列:

[1, 3, 11, 33, 43, 129, 473, 859, 1419, 2577, 9449, 28347, 36937, 110811, 406307, 1218921]

約数ペア:

[(1, 1218921), (3, 406307), (11, 110811), (33, 36937), (43, 28347), (129, 9449), (473, 2577), (859, 1419)]