28499895

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21839}}^1$

素因数の和:21879

約数の個数: 24

約数和(自身を含む): 51105600

約数和(自身を除く): 22605705

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 21839, 65517, 109195, 196551, 327585, 633331, 982755, 1899993, 3166655, 5699979, 9499965, 28499895]

約数ペア:

[(1, 28499895), (3, 9499965), (5, 5699979), (9, 3166655), (15, 1899993), (29, 982755), (45, 633331), (87, 327585), (145, 196551), (261, 109195), (435, 65517), (1305, 21839)]