28039965

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1283}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 47333376

約数和(自身を除く): 19293411

約数列:

[1, 3, 5, 15, 31, 47, 93, 141, 155, 235, 465, 705, 1283, 1457, 3849, 4371, 6415, 7285, 19245, 21855, 39773, 60301, 119319, 180903, 198865, 301505, 596595, 904515, 1869331, 5607993, 9346655, 28039965]

約数ペア:

[(1, 28039965), (3, 9346655), (5, 5607993), (15, 1869331), (31, 904515), (47, 596595), (93, 301505), (141, 198865), (155, 180903), (235, 119319), (465, 60301), (705, 39773), (1283, 21855), (1457, 19245), (3849, 7285), (4371, 6415)]