681569649

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{487}}^1\times {\mathrm{6761}}^1$

素因数の和:7277

約数の個数: 24

約数和(自身を含む): 1029555072

約数和(自身を除く): 347985423

約数列:

[1, 3, 9, 23, 69, 207, 487, 1461, 4383, 6761, 11201, 20283, 33603, 60849, 100809, 155503, 466509, 1399527, 3292607, 9877821, 29633463, 75729961, 227189883, 681569649]

約数ペア:

[(1, 681569649), (3, 227189883), (9, 75729961), (23, 29633463), (69, 9877821), (207, 3292607), (487, 1399527), (1461, 466509), (4383, 155503), (6761, 100809), (11201, 60849), (20283, 33603)]