28868985

素因数分解:

$3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1787}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 50207040

約数和(自身を除く): 21338055

約数列:

[1, 3, 5, 9, 15, 45, 359, 1077, 1787, 1795, 3231, 5361, 5385, 8935, 16083, 16155, 26805, 80415, 641533, 1924599, 3207665, 5773797, 9622995, 28868985]

約数ペア:

[(1, 28868985), (3, 9622995), (5, 5773797), (9, 3207665), (15, 1924599), (45, 641533), (359, 80415), (1077, 26805), (1787, 16155), (1795, 16083), (3231, 8935), (5361, 5385)]