81285444

素因数分解:

$2^2\times 3^5\times {\mathrm{241}}^1\times {\mathrm{347}}^1$

素因数の和:607

約数の個数: 72

約数和(自身を含む): 214582368

約数和(自身を除く): 133296924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 241, 243, 324, 347, 482, 486, 694, 723, 964, 972, 1041, 1388, 1446, 2082, 2169, 2892, 3123, 4164, 4338, 6246, 6507, 8676, 9369, 12492, 13014, 18738, 19521, 26028, 28107, 37476, 39042, 56214, 58563, 78084, 83627, 84321, 112428, 117126, 167254, 168642, 234252, 250881, 334508, 337284, 501762, 752643, 1003524, 1505286, 2257929, 3010572, 4515858, 6773787, 9031716, 13547574, 20321361, 27095148, 40642722, 81285444]

約数ペア:

[(1, 81285444), (2, 40642722), (3, 27095148), (4, 20321361), (6, 13547574), (9, 9031716), (12, 6773787), (18, 4515858), (27, 3010572), (36, 2257929), (54, 1505286), (81, 1003524), (108, 752643), (162, 501762), (241, 337284), (243, 334508), (324, 250881), (347, 234252), (482, 168642), (486, 167254), (694, 117126), (723, 112428), (964, 84321), (972, 83627), (1041, 78084), (1388, 58563), (1446, 56214), (2082, 39042), (2169, 37476), (2892, 28107), (3123, 26028), (4164, 19521), (4338, 18738), (6246, 13014), (6507, 12492), (8676, 9369)]