155221725

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{28351}}^1$

素因数の和:28437

約数の個数: 24

約数和(自身を含む): 260157952

約数和(自身を除く): 104936227

約数列:

[1, 3, 5, 15, 25, 73, 75, 219, 365, 1095, 1825, 5475, 28351, 85053, 141755, 425265, 708775, 2069623, 2126325, 6208869, 10348115, 31044345, 51740575, 155221725]

約数ペア:

[(1, 155221725), (3, 51740575), (5, 31044345), (15, 10348115), (25, 6208869), (73, 2126325), (75, 2069623), (219, 708775), (365, 425265), (1095, 141755), (1825, 85053), (5475, 28351)]