1727811

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:352

約数の個数: 20

約数和(自身を含む): 2622312

約数和(自身を除く): 894501

約数列:

[1, 3, 9, 27, 81, 83, 249, 257, 747, 771, 2241, 2313, 6723, 6939, 20817, 21331, 63993, 191979, 575937, 1727811]

約数ペア:

[(1, 1727811), (3, 575937), (9, 191979), (27, 63993), (81, 21331), (83, 20817), (249, 6939), (257, 6723), (747, 2313), (771, 2241)]