147947905

素因数分解:

$5^1\times 7^3\times {\mathrm{281}}^1\times {\mathrm{307}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 208454400

約数和(自身を除く): 60506495

約数列:

[1, 5, 7, 35, 49, 245, 281, 307, 343, 1405, 1535, 1715, 1967, 2149, 9835, 10745, 13769, 15043, 68845, 75215, 86267, 96383, 105301, 431335, 481915, 526505, 603869, 3019345, 4227083, 21135415, 29589581, 147947905]

約数ペア:

[(1, 147947905), (5, 29589581), (7, 21135415), (35, 4227083), (49, 3019345), (245, 603869), (281, 526505), (307, 481915), (343, 431335), (1405, 105301), (1535, 96383), (1715, 86267), (1967, 75215), (2149, 68845), (9835, 15043), (10745, 13769)]