28987215

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{28843}}^1$

素因数の和:28918

約数の個数: 16

約数和(自身を含む): 47073408

約数和(自身を除く): 18086193

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 28843, 86529, 144215, 432645, 1932481, 5797443, 9662405, 28987215]

約数ペア:

[(1, 28987215), (3, 9662405), (5, 5797443), (15, 1932481), (67, 432645), (201, 144215), (335, 86529), (1005, 28843)]