28386405

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{4967}}^1$

素因数の和:5105

約数の個数: 24

約数和(自身を含む): 49600512

約数和(自身を除く): 21214107

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 4967, 5715, 14901, 24835, 44703, 74505, 223515, 630809, 1892427, 3154045, 5677281, 9462135, 28386405]

約数ペア:

[(1, 28386405), (3, 9462135), (5, 5677281), (9, 3154045), (15, 1892427), (45, 630809), (127, 223515), (381, 74505), (635, 44703), (1143, 24835), (1905, 14901), (4967, 5715)]