42771015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{135781}}^1$

素因数の和:135799

約数の個数: 24

約数和(自身を含む): 84727968

約数和(自身を除く): 41956953

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 135781, 407343, 678905, 950467, 1222029, 2036715, 2851401, 4752335, 6110145, 8554203, 14257005, 42771015]

約数ペア:

[(1, 42771015), (3, 14257005), (5, 8554203), (7, 6110145), (9, 4752335), (15, 2851401), (21, 2036715), (35, 1222029), (45, 950467), (63, 678905), (105, 407343), (315, 135781)]