30531075

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9467}}^1$

素因数の和:9523

約数の個数: 24

約数和(自身を含む): 51657408

約数和(自身を除く): 21126333

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 9467, 28401, 47335, 142005, 236675, 407081, 710025, 1221243, 2035405, 6106215, 10177025, 30531075]

約数ペア:

[(1, 30531075), (3, 10177025), (5, 6106215), (15, 2035405), (25, 1221243), (43, 710025), (75, 407081), (129, 236675), (215, 142005), (645, 47335), (1075, 28401), (3225, 9467)]