3971265

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 6690816

約数和(自身を除く): 2719551

約数列:

[1, 3, 5, 15, 43, 47, 129, 131, 141, 215, 235, 393, 645, 655, 705, 1965, 2021, 5633, 6063, 6157, 10105, 16899, 18471, 28165, 30315, 30785, 84495, 92355, 264751, 794253, 1323755, 3971265]

約数ペア:

[(1, 3971265), (3, 1323755), (5, 794253), (15, 264751), (43, 92355), (47, 84495), (129, 30785), (131, 30315), (141, 28165), (215, 18471), (235, 16899), (393, 10105), (645, 6157), (655, 6063), (705, 5633), (1965, 2021)]