172828047

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61879}}^1$

素因数の和:61915

約数の個数: 24

約数和(自身を含む): 282172800

約数和(自身を除く): 109344753

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 61879, 185637, 433153, 1175701, 1299459, 3032071, 3527103, 8229907, 9096213, 24689721, 57609349, 172828047]

約数ペア:

[(1, 172828047), (3, 57609349), (7, 24689721), (19, 9096213), (21, 8229907), (49, 3527103), (57, 3032071), (133, 1299459), (147, 1175701), (399, 433153), (931, 185637), (2793, 61879)]