28088745

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1471}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 48046080

約数和(自身を除く): 19957335

約数列:

[1, 3, 5, 15, 19, 57, 67, 95, 201, 285, 335, 1005, 1273, 1471, 3819, 4413, 6365, 7355, 19095, 22065, 27949, 83847, 98557, 139745, 295671, 419235, 492785, 1478355, 1872583, 5617749, 9362915, 28088745]

約数ペア:

[(1, 28088745), (3, 9362915), (5, 5617749), (15, 1872583), (19, 1478355), (57, 492785), (67, 419235), (95, 295671), (201, 139745), (285, 98557), (335, 83847), (1005, 27949), (1273, 22065), (1471, 19095), (3819, 7355), (4413, 6365)]