27895815

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19997}}^1$

素因数の和:20039

約数の個数: 24

約数和(自身を含む): 49915008

約数和(自身を除く): 22019193

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 19997, 59991, 99985, 179973, 299955, 619907, 899865, 1859721, 3099535, 5579163, 9298605, 27895815]

約数ペア:

[(1, 27895815), (3, 9298605), (5, 5579163), (9, 3099535), (15, 1859721), (31, 899865), (45, 619907), (93, 299955), (155, 179973), (279, 99985), (465, 59991), (1395, 19997)]