209904327

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{431}}^1\times {\mathrm{1021}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 309935808

約数和(自身を除く): 100031481

約数列:

[1, 3, 9, 53, 159, 431, 477, 1021, 1293, 3063, 3879, 9189, 22843, 54113, 68529, 162339, 205587, 440051, 487017, 1320153, 3960459, 23322703, 69968109, 209904327]

約数ペア:

[(1, 209904327), (3, 69968109), (9, 23322703), (53, 3960459), (159, 1320153), (431, 487017), (477, 440051), (1021, 205587), (1293, 162339), (3063, 68529), (3879, 54113), (9189, 22843)]