2155157055

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{305047}}^1$

素因数の和:305215

約数の個数: 24

約数和(自身を含む): 3759411552

約数和(自身を除く): 1604254497

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 7065, 305047, 915141, 1525235, 2745423, 4575705, 13727115, 47892379, 143677137, 239461895, 431031411, 718385685, 2155157055]

約数ペア:

[(1, 2155157055), (3, 718385685), (5, 431031411), (9, 239461895), (15, 143677137), (45, 47892379), (157, 13727115), (471, 4575705), (785, 2745423), (1413, 1525235), (2355, 915141), (7065, 305047)]