81442557

素因数分解:

$3^3\times 7^2\times {\mathrm{61559}}^1$

素因数の和:61582

約数の個数: 24

約数和(自身を含む): 140356800

約数和(自身を除く): 58914243

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 61559, 184677, 430913, 554031, 1292739, 1662093, 3016391, 3878217, 9049173, 11634651, 27147519, 81442557]

約数ペア:

[(1, 81442557), (3, 27147519), (7, 11634651), (9, 9049173), (21, 3878217), (27, 3016391), (49, 1662093), (63, 1292739), (147, 554031), (189, 430913), (441, 184677), (1323, 61559)]