39439815

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1301}}^1$

素因数の和:1399

約数の個数: 32

約数和(自身を含む): 65995776

約数和(自身を除く): 26555961

約数列:

[1, 3, 5, 15, 43, 47, 129, 141, 215, 235, 645, 705, 1301, 2021, 3903, 6063, 6505, 10105, 19515, 30315, 55943, 61147, 167829, 183441, 279715, 305735, 839145, 917205, 2629321, 7887963, 13146605, 39439815]

約数ペア:

[(1, 39439815), (3, 13146605), (5, 7887963), (15, 2629321), (43, 917205), (47, 839145), (129, 305735), (141, 279715), (215, 183441), (235, 167829), (645, 61147), (705, 55943), (1301, 30315), (2021, 19515), (3903, 10105), (6063, 6505)]