18150945

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 30108672

約数和(自身を除く): 11957727

約数列:

[1, 3, 5, 15, 43, 107, 129, 215, 263, 321, 535, 645, 789, 1315, 1605, 3945, 4601, 11309, 13803, 23005, 28141, 33927, 56545, 69015, 84423, 140705, 169635, 422115, 1210063, 3630189, 6050315, 18150945]

約数ペア:

[(1, 18150945), (3, 6050315), (5, 3630189), (15, 1210063), (43, 422115), (107, 169635), (129, 140705), (215, 84423), (263, 69015), (321, 56545), (535, 33927), (645, 28141), (789, 23005), (1315, 13803), (1605, 11309), (3945, 4601)]