209313615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{971}}^1\times {\mathrm{2053}}^1$

素因数の和:3039

約数の個数: 32

約数和(自身を含む): 383325696

約数和(自身を除く): 174012081

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 971, 2053, 2913, 4855, 6159, 6797, 10265, 14371, 14565, 20391, 30795, 33985, 43113, 71855, 101955, 215565, 1993463, 5980389, 9967315, 13954241, 29901945, 41862723, 69771205, 209313615]

約数ペア:

[(1, 209313615), (3, 69771205), (5, 41862723), (7, 29901945), (15, 13954241), (21, 9967315), (35, 5980389), (105, 1993463), (971, 215565), (2053, 101955), (2913, 71855), (4855, 43113), (6159, 33985), (6797, 30795), (10265, 20391), (14371, 14565)]