17874747

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2543}}^1$

素因数の和:2631

約数の個数: 24

約数和(自身を含む): 28574208

約数和(自身を除く): 10699461

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 2543, 7029, 7629, 22887, 27973, 83919, 180553, 251757, 541659, 1624977, 1986083, 5958249, 17874747]

約数ペア:

[(1, 17874747), (3, 5958249), (9, 1986083), (11, 1624977), (33, 541659), (71, 251757), (99, 180553), (213, 83919), (639, 27973), (781, 22887), (2343, 7629), (2543, 7029)]