28782315

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27809}}^1$

素因数の和:27843

約数の個数: 24

約数和(自身を含む): 52060320

約数和(自身を除く): 23278005

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 27809, 83427, 139045, 250281, 417135, 639607, 1251405, 1918821, 3198035, 5756463, 9594105, 28782315]

約数ペア:

[(1, 28782315), (3, 9594105), (5, 5756463), (9, 3198035), (15, 1918821), (23, 1251405), (45, 639607), (69, 417135), (115, 250281), (207, 139045), (345, 83427), (1035, 27809)]