4172427

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 6965504

約数和(自身を除く): 2793077

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 643, 721, 927, 1929, 2163, 4501, 5787, 6489, 13503, 40509, 66229, 198687, 463603, 596061, 1390809, 4172427]

約数ペア:

[(1, 4172427), (3, 1390809), (7, 596061), (9, 463603), (21, 198687), (63, 66229), (103, 40509), (309, 13503), (643, 6489), (721, 5787), (927, 4501), (1929, 2163)]