289449945

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{207491}}^1$

素因数の和:207533

約数の個数: 24

約数和(自身を含む): 517900032

約数和(自身を除く): 228450087

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 207491, 622473, 1037455, 1867419, 3112365, 6432221, 9337095, 19296663, 32161105, 57889989, 96483315, 289449945]

約数ペア:

[(1, 289449945), (3, 96483315), (5, 57889989), (9, 32161105), (15, 19296663), (31, 9337095), (45, 6432221), (93, 3112365), (155, 1867419), (279, 1037455), (465, 622473), (1395, 207491)]