204555729

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{512671}}^1$

素因数の和:512700

約数の個数: 16

約数和(自身を含む): 328110080

約数和(自身を除く): 123554351

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 512671, 1538013, 3588697, 9740749, 10766091, 29222247, 68185243, 204555729]

約数ペア:

[(1, 204555729), (3, 68185243), (7, 29222247), (19, 10766091), (21, 9740749), (57, 3588697), (133, 1538013), (399, 512671)]