1661907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1050

約数の個数: 16

約数和(自身を含む): 2444288

約数和(自身を除く): 782381

約数列:

[1, 3, 13, 39, 43, 129, 559, 991, 1677, 2973, 12883, 38649, 42613, 127839, 553969, 1661907]

約数ペア:

[(1, 1661907), (3, 553969), (13, 127839), (39, 42613), (43, 38649), (129, 12883), (559, 2973), (991, 1677)]