81671544

素因数分解:

$2^3\times 3^3\times {\mathrm{181}}^1\times {\mathrm{2089}}^1$

素因数の和:2285

約数の個数: 64

約数和(自身を含む): 228228000

約数和(自身を除く): 146556456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 181, 216, 362, 543, 724, 1086, 1448, 1629, 2089, 2172, 3258, 4178, 4344, 4887, 6267, 6516, 8356, 9774, 12534, 13032, 16712, 18801, 19548, 25068, 37602, 39096, 50136, 56403, 75204, 112806, 150408, 225612, 378109, 451224, 756218, 1134327, 1512436, 2268654, 3024872, 3402981, 4537308, 6805962, 9074616, 10208943, 13611924, 20417886, 27223848, 40835772, 81671544]

約数ペア:

[(1, 81671544), (2, 40835772), (3, 27223848), (4, 20417886), (6, 13611924), (8, 10208943), (9, 9074616), (12, 6805962), (18, 4537308), (24, 3402981), (27, 3024872), (36, 2268654), (54, 1512436), (72, 1134327), (108, 756218), (181, 451224), (216, 378109), (362, 225612), (543, 150408), (724, 112806), (1086, 75204), (1448, 56403), (1629, 50136), (2089, 39096), (2172, 37602), (3258, 25068), (4178, 19548), (4344, 18801), (4887, 16712), (6267, 13032), (6516, 12534), (8356, 9774)]