4777215

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 8142336

約数和(自身を除く): 3365121

約数列:

[1, 3, 5, 15, 23, 61, 69, 115, 183, 227, 305, 345, 681, 915, 1135, 1403, 3405, 4209, 5221, 7015, 13847, 15663, 21045, 26105, 41541, 69235, 78315, 207705, 318481, 955443, 1592405, 4777215]

約数ペア:

[(1, 4777215), (3, 1592405), (5, 955443), (15, 318481), (23, 207705), (61, 78315), (69, 69235), (115, 41541), (183, 26105), (227, 21045), (305, 15663), (345, 13847), (681, 7015), (915, 5221), (1135, 4209), (1403, 3405)]