263174913

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{563}}^1$

素因数の和:803

約数の個数: 40

約数和(自身を含む): 409464000

約数和(自身を除く): 146289087

約数列:

[1, 3, 9, 27, 29, 81, 87, 199, 261, 563, 597, 783, 1689, 1791, 2349, 5067, 5373, 5771, 15201, 16119, 16327, 17313, 45603, 48981, 51939, 112037, 146943, 155817, 336111, 440829, 467451, 1008333, 1322487, 3024999, 3249073, 9074997, 9747219, 29241657, 87724971, 263174913]

約数ペア:

[(1, 263174913), (3, 87724971), (9, 29241657), (27, 9747219), (29, 9074997), (81, 3249073), (87, 3024999), (199, 1322487), (261, 1008333), (563, 467451), (597, 440829), (783, 336111), (1689, 155817), (1791, 146943), (2349, 112037), (5067, 51939), (5373, 48981), (5771, 45603), (15201, 17313), (16119, 16327)]