28550223

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1021}}^1$

素因数の和:1279

約数の個数: 24

約数和(自身を含む): 44640960

約数和(自身を除く): 16090737

約数列:

[1, 3, 9, 13, 39, 117, 239, 717, 1021, 2151, 3063, 3107, 9189, 9321, 13273, 27963, 39819, 119457, 244019, 732057, 2196171, 3172247, 9516741, 28550223]

約数ペア:

[(1, 28550223), (3, 9516741), (9, 3172247), (13, 2196171), (39, 732057), (117, 244019), (239, 119457), (717, 39819), (1021, 27963), (2151, 13273), (3063, 9321), (3107, 9189)]