207005787

素因数分解:

$3^4\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:322

約数の個数: 60

約数和(自身を含む): 338780640

約数和(自身を除く): 131774853

約数列:

[1, 3, 9, 17, 27, 37, 51, 81, 111, 153, 239, 289, 333, 459, 629, 717, 867, 999, 1377, 1887, 2151, 2601, 2997, 4063, 5661, 6453, 7803, 8843, 10693, 12189, 16983, 19359, 23409, 26529, 32079, 36567, 50949, 69071, 79587, 96237, 109701, 150331, 207213, 238761, 288711, 329103, 450993, 621639, 716283, 866133, 1352979, 1864917, 2555627, 4058937, 5594751, 7666881, 12176811, 23000643, 69001929, 207005787]

約数ペア:

[(1, 207005787), (3, 69001929), (9, 23000643), (17, 12176811), (27, 7666881), (37, 5594751), (51, 4058937), (81, 2555627), (111, 1864917), (153, 1352979), (239, 866133), (289, 716283), (333, 621639), (459, 450993), (629, 329103), (717, 288711), (867, 238761), (999, 207213), (1377, 150331), (1887, 109701), (2151, 96237), (2601, 79587), (2997, 69071), (4063, 50949), (5661, 36567), (6453, 32079), (7803, 26529), (8843, 23409), (10693, 19359), (12189, 16983)]