31608330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81047}}^1$

素因数の和:81070

約数の個数: 32

約数和(自身を含む): 81696384

約数和(自身を除く): 50088054

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 81047, 162094, 243141, 405235, 486282, 810470, 1053611, 1215705, 2107222, 2431410, 3160833, 5268055, 6321666, 10536110, 15804165, 31608330]

約数ペア:

[(1, 31608330), (2, 15804165), (3, 10536110), (5, 6321666), (6, 5268055), (10, 3160833), (13, 2431410), (15, 2107222), (26, 1215705), (30, 1053611), (39, 810470), (65, 486282), (78, 405235), (130, 243141), (195, 162094), (390, 81047)]