201000009

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{25799}}^1$

素因数の和:25869

約数の個数: 24

約数和(自身を含む): 317649600

約数和(自身を除く): 116649591

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 7791, 25799, 77397, 180593, 541779, 1264151, 1367347, 3792453, 4102041, 9571429, 28714287, 67000003, 201000009]

約数ペア:

[(1, 201000009), (3, 67000003), (7, 28714287), (21, 9571429), (49, 4102041), (53, 3792453), (147, 1367347), (159, 1264151), (371, 541779), (1113, 180593), (2597, 77397), (7791, 25799)]