28652475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{20107}}^1$

素因数の和:20139

約数の個数: 24

約数和(自身を含む): 49867840

約数和(自身を除く): 21215365

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 20107, 60321, 100535, 301605, 382033, 502675, 1146099, 1508025, 1910165, 5730495, 9550825, 28652475]

約数ペア:

[(1, 28652475), (3, 9550825), (5, 5730495), (15, 1910165), (19, 1508025), (25, 1146099), (57, 502675), (75, 382033), (95, 301605), (285, 100535), (475, 60321), (1425, 20107)]