81526905

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4283}}^1$

素因数の和:4347

約数の個数: 40

約数和(自身を含む): 149288832

約数和(自身を除く): 67761927

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 705, 1269, 2115, 3807, 4283, 6345, 12849, 19035, 21415, 38547, 64245, 115641, 192735, 201301, 346923, 578205, 603903, 1006505, 1734615, 1811709, 3019515, 5435127, 9058545, 16305381, 27175635, 81526905]

約数ペア:

[(1, 81526905), (3, 27175635), (5, 16305381), (9, 9058545), (15, 5435127), (27, 3019515), (45, 1811709), (47, 1734615), (81, 1006505), (135, 603903), (141, 578205), (235, 346923), (405, 201301), (423, 192735), (705, 115641), (1269, 64245), (2115, 38547), (3807, 21415), (4283, 19035), (6345, 12849)]