1661493

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 2362880

約数和(自身を除く): 701387

約数列:

[1, 3, 19, 57, 103, 283, 309, 849, 1957, 5377, 5871, 16131, 29149, 87447, 553831, 1661493]

約数ペア:

[(1, 1661493), (3, 553831), (19, 87447), (57, 29149), (103, 16131), (283, 5871), (309, 5377), (849, 1957)]