28786041

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2357}}^1$

素因数の和:2445

約数の個数: 24

約数和(自身を含む): 44141760

約数和(自身を除く): 15355719

約数列:

[1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 2357, 4071, 7071, 12213, 21213, 54211, 139063, 162633, 417189, 487899, 1251567, 3198449, 9595347, 28786041]

約数ペア:

[(1, 28786041), (3, 9595347), (9, 3198449), (23, 1251567), (59, 487899), (69, 417189), (177, 162633), (207, 139063), (531, 54211), (1357, 21213), (2357, 12213), (4071, 7071)]