3931245

素因数分解:

$3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 6864000

約数和(自身を除く): 2932755

約数列:

[1, 3, 5, 9, 15, 45, 199, 439, 597, 995, 1317, 1791, 2195, 2985, 3951, 6585, 8955, 19755, 87361, 262083, 436805, 786249, 1310415, 3931245]

約数ペア:

[(1, 3931245), (3, 1310415), (5, 786249), (9, 436805), (15, 262083), (45, 87361), (199, 19755), (439, 8955), (597, 6585), (995, 3951), (1317, 2985), (1791, 2195)]