12843621

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{853}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 21315840

約数和(自身を除く): 8472219

約数列:

[1, 3, 7, 9, 21, 63, 239, 717, 853, 1673, 2151, 2559, 5019, 5971, 7677, 15057, 17913, 53739, 203867, 611601, 1427069, 1834803, 4281207, 12843621]

約数ペア:

[(1, 12843621), (3, 4281207), (7, 1834803), (9, 1427069), (21, 611601), (63, 203867), (239, 53739), (717, 17913), (853, 15057), (1673, 7677), (2151, 5971), (2559, 5019)]