28260309

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17477}}^1$

素因数の和:17505

約数の個数: 24

約数和(自身を含む): 47819808

約数和(自身を除く): 19559499

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 17477, 52431, 122339, 192247, 367017, 576741, 856373, 1345729, 2569119, 4037187, 9420103, 28260309]

約数ペア:

[(1, 28260309), (3, 9420103), (7, 4037187), (11, 2569119), (21, 1345729), (33, 856373), (49, 576741), (77, 367017), (147, 192247), (231, 122339), (539, 52431), (1617, 17477)]