209400891

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{619}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 324979200

約数和(自身を除く): 115578309

約数列:

[1, 3, 7, 21, 89, 181, 267, 543, 619, 623, 1267, 1857, 1869, 3801, 4333, 12999, 16109, 48327, 55091, 112039, 112763, 165273, 336117, 338289, 385637, 784273, 1156911, 2352819, 9971471, 29914413, 69800297, 209400891]

約数ペア:

[(1, 209400891), (3, 69800297), (7, 29914413), (21, 9971471), (89, 2352819), (181, 1156911), (267, 784273), (543, 385637), (619, 338289), (623, 336117), (1267, 165273), (1857, 112763), (1869, 112039), (3801, 55091), (4333, 48327), (12999, 16109)]