64942101

素因数分解:

$3^3\times 7^2\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 112942080

約数和(自身を除く): 47999979

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 191, 257, 441, 573, 771, 1323, 1337, 1719, 1799, 2313, 4011, 5157, 5397, 6939, 9359, 12033, 12593, 16191, 28077, 36099, 37779, 48573, 49087, 84231, 113337, 147261, 252693, 340011, 343609, 441783, 1030827, 1325349, 2405263, 3092481, 7215789, 9277443, 21647367, 64942101]

約数ペア:

[(1, 64942101), (3, 21647367), (7, 9277443), (9, 7215789), (21, 3092481), (27, 2405263), (49, 1325349), (63, 1030827), (147, 441783), (189, 343609), (191, 340011), (257, 252693), (441, 147261), (573, 113337), (771, 84231), (1323, 49087), (1337, 48573), (1719, 37779), (1799, 36099), (2313, 28077), (4011, 16191), (5157, 12593), (5397, 12033), (6939, 9359)]