219903345

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{212467}}^1$

素因数の和:212501

約数の個数: 24

約数和(自身を含む): 397740096

約数和(自身を除く): 177836751

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 212467, 637401, 1062335, 1912203, 3187005, 4886741, 9561015, 14660223, 24433705, 43980669, 73301115, 219903345]

約数ペア:

[(1, 219903345), (3, 73301115), (5, 43980669), (9, 24433705), (15, 14660223), (23, 9561015), (45, 4886741), (69, 3187005), (115, 1912203), (207, 1062335), (345, 637401), (1035, 212467)]