16921491

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{569}}^1$

素因数の和:1026

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 6717549

約数列:

[1, 3, 23, 69, 431, 569, 1293, 1707, 9913, 13087, 29739, 39261, 245239, 735717, 5640497, 16921491]

約数ペア:

[(1, 16921491), (3, 5640497), (23, 735717), (69, 245239), (431, 39261), (569, 29739), (1293, 13087), (1707, 9913)]