2805103

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 3611520

約数和(自身を除く): 806417

約数列:

[1, 7, 19, 23, 49, 131, 133, 161, 437, 917, 931, 1127, 2489, 3013, 3059, 6419, 17423, 21091, 21413, 57247, 121961, 147637, 400729, 2805103]

約数ペア:

[(1, 2805103), (7, 400729), (19, 147637), (23, 121961), (49, 57247), (131, 21413), (133, 21091), (161, 17423), (437, 6419), (917, 3059), (931, 3013), (1127, 2489)]