210975621

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 295526400

約数和(自身を除く): 84550779

約数列:

[1, 3, 47, 73, 103, 141, 199, 219, 309, 597, 3431, 4841, 7519, 9353, 10293, 14523, 14527, 20497, 22557, 28059, 43581, 61491, 353393, 682769, 963359, 1060179, 1496281, 2048307, 2890077, 4488843, 70325207, 210975621]

約数ペア:

[(1, 210975621), (3, 70325207), (47, 4488843), (73, 2890077), (103, 2048307), (141, 1496281), (199, 1060179), (219, 963359), (309, 682769), (597, 353393), (3431, 61491), (4841, 43581), (7519, 28059), (9353, 22557), (10293, 20497), (14523, 14527)]