42753015

素因数分解:

$3^4\times 5^1\times {\mathrm{105563}}^1$

素因数の和:105580

約数の個数: 20

約数和(自身を含む): 76639464

約数和(自身を除く): 33886449

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 105563, 316689, 527815, 950067, 1583445, 2850201, 4750335, 8550603, 14251005, 42753015]

約数ペア:

[(1, 42753015), (3, 14251005), (5, 8550603), (9, 4750335), (15, 2850201), (27, 1583445), (45, 950067), (81, 527815), (135, 316689), (405, 105563)]